<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!--Created by IRIS RegTech Solutions_Direct, Powered by IRIS Carbon, Unique Code 6a3ebefaf51f098b63d3e996, Generated At Fri, 26 Jun 2026 18:15:29 GMT-->
<xsd:schema xmlns:ifrs-full="https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:srt="http://fasb.org/srt/2024" xmlns:us-roles="http://fasb.org/us-roles/2024" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:ecd="http://xbrl.sec.gov/ecd/2024" xmlns:cyd="http://xbrl.sec.gov/cyd/2024" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:sify="http://corporate.sify.com/20260331" elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://corporate.sify.com/20260331">
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="sify-20260331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="sify-20260331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="sify-20260331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="sify-20260331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://corporate.sify.com/role/CoverPage" id="CoverPage">
        <link:definition>0000 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementOfFinancialPosition" id="ConsolidatedStatementOfFinancialPosition">
        <link:definition>0010 - Statement - Consolidated Statement of Financial Position</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementofProfitorLossasperIFRS18" id="ConsolidatedStatementofProfitorLossasperIFRS18">
        <link:definition>0020 - Statement - Consolidated Statement of Profit or Loss as per IFRS 18</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementofProfitorLossasperIFRS18Calc2" id="ConsolidatedStatementofProfitorLossasperIFRS18Calc2">
        <link:definition>0025 - Statement - Consolidated Statement of Profit or Loss as per IFRS 18 (Calc 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementpresentingComprehensiveIncome" id="ConsolidatedStatementpresentingComprehensiveIncome">
        <link:definition>0030 - Statement - Consolidated Statement presenting Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementpresentingComprehensiveIncomeCalc2" id="ConsolidatedStatementpresentingComprehensiveIncomeCalc2">
        <link:definition>0035 - Statement - Consolidated Statement presenting Comprehensive Income (Calc 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementOfChangesInEquity" id="ConsolidatedStatementOfChangesInEquity">
        <link:definition>0040 - Statement - Consolidated Statement of Changes in Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ConsolidatedStatementsOfCashFlows" id="ConsolidatedStatementsOfCashFlows">
        <link:definition>0050 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ReportingEntity" id="ReportingEntity">
        <link:definition>1010 - Disclosure - Reporting entity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BasisOfPreparation" id="BasisOfPreparation">
        <link:definition>1020 - Disclosure - Basis of preparation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/MaterialAccountingPolicies" id="MaterialAccountingPolicies">
        <link:definition>1030 - Disclosure - Material  accounting policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeterminationOfFairValues" id="DeterminationOfFairValues">
        <link:definition>1040 - Disclosure - Determination of fair values</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PropertyPlantAndEquipment" id="PropertyPlantAndEquipment">
        <link:definition>1050 - Disclosure - Property, plant and equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IntangibleAssets" id="IntangibleAssets">
        <link:definition>1060 - Disclosure - Intangible assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightOfUseAssets" id="RightOfUseAssets">
        <link:definition>1070 - Disclosure - Right of use assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CashAndCashEquivalents" id="CashAndCashEquivalents">
        <link:definition>1080 - Disclosure - Cash and cash equivalents</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Othercurrentnonfinancialassets" id="Othercurrentnonfinancialassets">
        <link:definition>1090 - Disclosure - Other current non-financial assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Othernoncurrentnonfinancialassets" id="Othernoncurrentnonfinancialassets">
        <link:definition>1100 - Disclosure - Other non-current non-financial assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Investments" id="Investments">
        <link:definition>1110 - Disclosure - Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Othernoncurrentfinancialassets" id="Othernoncurrentfinancialassets">
        <link:definition>1120 - Disclosure - Other non-current financial assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Currenttaxassetsnoncurrent" id="Currenttaxassetsnoncurrent">
        <link:definition>1130 - Disclosure - Current tax assets, non-current</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilities" id="DeferredTaxAssetsAndLiabilities">
        <link:definition>1140 - Disclosure - Deferred tax assets and liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Inventories" id="Inventories">
        <link:definition>1150 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Tradereceivables" id="Tradereceivables">
        <link:definition>1160 - Disclosure - Trade receivables</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Othercurrentfinancialassets" id="Othercurrentfinancialassets">
        <link:definition>1170 - Disclosure - Other current financial assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Equity" id="Equity">
        <link:definition>1180 - Disclosure - Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeeBenefits" id="EmployeeBenefits">
        <link:definition>1190 - Disclosure - Employee benefits</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Borrowings" id="Borrowings">
        <link:definition>1200 - Disclosure - Borrowings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentFinancialliabilities" id="OthernoncurrentFinancialliabilities">
        <link:definition>1210 - Disclosure - Other non-current Financial liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentnonFinancialliabilities" id="OthernoncurrentnonFinancialliabilities">
        <link:definition>1220 - Disclosure - Other non-current non-Financial liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Tradepayables" id="Tradepayables">
        <link:definition>1230 - Disclosure - Trade payables</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherCurrentFinancialLiabilities" id="OtherCurrentFinancialLiabilities">
        <link:definition>1240 - Disclosure - Other Current Financial Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Othercurrentliabilities" id="Othercurrentliabilities">
        <link:definition>1250 - Disclosure - Other current liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Revenue" id="Revenue">
        <link:definition>1260 - Disclosure - Revenue</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PerformanceObligationsAndRemainingPerformanceObligations" id="PerformanceObligationsAndRemainingPerformanceObligations">
        <link:definition>1270 - Disclosure - Performance obligations and remaining performance obligations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CostOfSales" id="CostOfSales">
        <link:definition>1280 - Disclosure - Cost of sales</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SellingGeneralAndAdministrativeExpenses" id="SellingGeneralAndAdministrativeExpenses">
        <link:definition>1290 - Disclosure - Selling, general and administrative expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PersonnelExpenses" id="PersonnelExpenses">
        <link:definition>1300 - Disclosure - Personnel expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPayments" id="ShareBasedPayments">
        <link:definition>1310 - Disclosure - Share-based payments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinanceIncomeAndExpense" id="FinanceIncomeAndExpense">
        <link:definition>1320 - Disclosure - Finance income and expense</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EarningsPerShare" id="EarningsPerShare">
        <link:definition>1330 - Disclosure - Earnings per share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReporting" id="SegmentReporting">
        <link:definition>1340 - Disclosure - Segment reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Contingencies" id="Contingencies">
        <link:definition>1350 - Disclosure - Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Relatedpartytransaction" id="Relatedpartytransaction">
        <link:definition>1360 - Disclosure - Related party transaction</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstruments" id="FinancialInstruments">
        <link:definition>1370 - Disclosure - Financial instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagement" id="FinancialRiskManagement">
        <link:definition>1380 - Disclosure - Financial Risk Management</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IssueOfSharesOnAPrivatePlacementBasisToTheExistingPromoterGroup" id="IssueOfSharesOnAPrivatePlacementBasisToTheExistingPromoterGroup">
        <link:definition>1390 - Disclosure - Issue of shares on a private placement basis to the existing promoter group</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CorporateSocialResponsibilityCsrExpenditure" id="CorporateSocialResponsibilityCsrExpenditure">
        <link:definition>1400 - Disclosure - Corporate Social Responsibility (CSR) expenditure</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CapitalManagement" id="CapitalManagement">
        <link:definition>1410 - Disclosure - Capital Management</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ManagementDefinedPerformanceMeasuresMpms" id="ManagementDefinedPerformanceMeasuresMpms">
        <link:definition>1420 - Disclosure - Management-Defined Performance Measures (MPMs)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/Eventsafterthereportingperiod" id="Eventsafterthereportingperiod">
        <link:definition>1430 - Disclosure - Events after the reporting period</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherInvestments" id="OtherInvestments">
        <link:definition>1440 - Disclosure - Other investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherLiabilities" id="OtherLiabilities">
        <link:definition>1450 - Disclosure - Other liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredIncome" id="DeferredIncome">
        <link:definition>1460 - Disclosure - Deferred income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CybersecurityRiskManagementAndStrategyDisclosure" id="CybersecurityRiskManagementAndStrategyDisclosure">
        <link:definition>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/MaterialAccountingPoliciesPolicies" id="MaterialAccountingPoliciesPolicies">
        <link:definition>996660203 - Disclosure - Material  accounting policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BasisOfPreparationTables" id="BasisOfPreparationTables">
        <link:definition>996660302 - Disclosure - Basis of preparation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/MaterialAccountingPoliciesTables" id="MaterialAccountingPoliciesTables">
        <link:definition>996660303 - Disclosure - Material  accounting policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PropertyPlantAndEquipmentTables" id="PropertyPlantAndEquipmentTables">
        <link:definition>996660305 - Disclosure - Property, plant and equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IntangibleAssetsTables" id="IntangibleAssetsTables">
        <link:definition>996660306 - Disclosure - Intangible assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightOfUseAssetsTables" id="RightOfUseAssetsTables">
        <link:definition>996660307 - Disclosure - Right of use assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CashAndCashEquivalentsTables" id="CashAndCashEquivalentsTables">
        <link:definition>996660308 - Disclosure - Cash and cash equivalents (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsTables" id="OthercurrentnonfinancialassetsTables">
        <link:definition>996660309 - Disclosure - Other current non-financial assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentnonfinancialassetsTables" id="OthernoncurrentnonfinancialassetsTables">
        <link:definition>996660310 - Disclosure - Other non-current non-financial assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/InvestmentsTables" id="InvestmentsTables">
        <link:definition>996660311 - Disclosure - Investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentfinancialassetsTables" id="OthernoncurrentfinancialassetsTables">
        <link:definition>996660312 - Disclosure -  Other non-current financial assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CurrenttaxassetsnoncurrentTables" id="CurrenttaxassetsnoncurrentTables">
        <link:definition>996660313 - Disclosure - Current tax assets, non-current (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilitiesTables" id="DeferredTaxAssetsAndLiabilitiesTables">
        <link:definition>996660314 - Disclosure - Deferred tax assets and liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/InventoriesTables" id="InventoriesTables">
        <link:definition>996660315 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/TradereceivablesTables" id="TradereceivablesTables">
        <link:definition>996660316 - Disclosure - Trade receivables (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentfinancialassetsTables" id="OthercurrentfinancialassetsTables">
        <link:definition>996660317 - Disclosure - Other current financial assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityTables" id="EquityTables">
        <link:definition>996660318 - Disclosure - Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeeBenefitsTables" id="EmployeeBenefitsTables">
        <link:definition>996660319 - Disclosure - Employee benefits (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsTables" id="BorrowingsTables">
        <link:definition>996660320 - Disclosure - Borrowings (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentfinancialliabilitiesTables" id="OthernoncurrentfinancialliabilitiesTables">
        <link:definition>996660321 - Disclosure - Other non-current financial liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentnonfinancialliabilitiesTables" id="OthernoncurrentnonfinancialliabilitiesTables">
        <link:definition>996660322 - Disclosure - Other non-current non-financial liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/TradepayablesTables" id="TradepayablesTables">
        <link:definition>996660323 - Disclosure - Trade payables (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherCurrentFinancialLiabilitiesTables" id="OtherCurrentFinancialLiabilitiesTables">
        <link:definition>996660324 - Disclosure - Other Current Financial Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentliabilitiesTables" id="OthercurrentliabilitiesTables">
        <link:definition>996660325 - Disclosure - Other current liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RevenueTables" id="RevenueTables">
        <link:definition>996660326 - Disclosure - Revenue (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PerformanceObligationsAndRemainingPerformanceObligationsTables" id="PerformanceObligationsAndRemainingPerformanceObligationsTables">
        <link:definition>996660327 - Disclosure - Performance obligations and remaining performance obligations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CostOfSalesTables" id="CostOfSalesTables">
        <link:definition>996660328 - Disclosure - Cost of sales (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SellingGeneralAndAdministrativeExpensesTables" id="SellingGeneralAndAdministrativeExpensesTables">
        <link:definition>996660329 - Disclosure - Selling, general and administrative expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PersonnelExpensesTables" id="PersonnelExpensesTables">
        <link:definition>996660330 - Disclosure - Personnel expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsTables" id="ShareBasedPaymentsTables">
        <link:definition>996660331 - Disclosure - Share-based payments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialIncomeAndExpenseTables" id="FinancialIncomeAndExpenseTables">
        <link:definition>996660332 - Disclosure - Financial income and expense (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EarningsPerShareTables" id="EarningsPerShareTables">
        <link:definition>996660334 - Disclosure - Earnings per share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReportingTables" id="SegmentReportingTables">
        <link:definition>996660335 - Disclosure - Segment reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ContingenciesTables" id="ContingenciesTables">
        <link:definition>9966603351 - Disclosure - Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RelatedpartytransactionTables" id="RelatedpartytransactionTables">
        <link:definition>996660336 - Disclosure - Related party transaction (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsTables" id="FinancialInstrumentsTables">
        <link:definition>996660338 - Disclosure - Financial instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementTables" id="FinancialRiskManagementTables">
        <link:definition>996660339 - Disclosure - Financial Risk Management (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CorporateSocialResponsibilityCsrExpenditureTables" id="CorporateSocialResponsibilityCsrExpenditureTables">
        <link:definition>996660340 - Disclosure - Corporate Social Responsibility (CSR) expenditure (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CapitalManagementTables" id="CapitalManagementTables">
        <link:definition>996660342 - Disclosure - Capital Management (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ManagementDefinedPerformanceMeasuresMpmsTables" id="ManagementDefinedPerformanceMeasuresMpmsTables">
        <link:definition>996660343 - Disclosure - Management-Defined Performance Measures (MPMs) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherInvestmentsTables" id="OtherInvestmentsTables">
        <link:definition>996660344 - Disclosure - Other investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PrepaymentsForCurrentAssetsTables" id="PrepaymentsForCurrentAssetsTables">
        <link:definition>996660345 - Disclosure - Prepayments for current assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherLiabilitiesTables" id="OtherLiabilitiesTables">
        <link:definition>996660346 - Disclosure - Other liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredIncomeTables" id="DeferredIncomeTables">
        <link:definition>996660347 - Disclosure - Deferred income (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ReconciliationOfLiabilitiesFromFinancingActivitiesDetail" id="ReconciliationOfLiabilitiesFromFinancingActivitiesDetail">
        <link:definition>99666040100 - Disclosure - Reconciliation of liabilities from financing activities (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ReportingentityDetails" id="ReportingentityDetails">
        <link:definition>99666040101 - Disclosure - Reporting entity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BasisOfPreparationDetailsTextual" id="BasisOfPreparationDetailsTextual">
        <link:definition>99666040203 - Disclosure - Basis of preparation (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/MaterialAccountingPoliciesDetails" id="MaterialAccountingPoliciesDetails">
        <link:definition>99666040301 - Disclosure - Material  accounting policies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/MaterialAccountingPoliciesDetails1" id="MaterialAccountingPoliciesDetails1">
        <link:definition>99666040302 - Disclosure - Material  accounting policies (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/MaterialAccountingPoliciesDetailsTextual" id="MaterialAccountingPoliciesDetailsTextual">
        <link:definition>99666040303 - Disclosure - Material  accounting policies (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PropertyPlantAndEquipmentDetails" id="PropertyPlantAndEquipmentDetails">
        <link:definition>99666040501 - Disclosure - Property, plant and equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PropertyplantandequipmentDetails1" id="PropertyplantandequipmentDetails1">
        <link:definition>996660405021 - Disclosure - Property, plant and equipment (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PropertyPlantAndEquipmentDetailsTextual" id="PropertyPlantAndEquipmentDetailsTextual">
        <link:definition>99666040503 - Disclosure - Property, plant and equipment (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IntangibleAssetsDetails" id="IntangibleAssetsDetails">
        <link:definition>99666040601 - Disclosure - Intangible assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IntangibleAssetsDetails1" id="IntangibleAssetsDetails1">
        <link:definition>99666040602 - Disclosure - Intangible assets (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IntangibleassetsDetails2" id="IntangibleassetsDetails2">
        <link:definition>996660406021 - Disclosure - Intangible assets (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightOfUseAssetsDetails" id="RightOfUseAssetsDetails">
        <link:definition>99666040701 - Disclosure - Right of use assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightOfUseAssetsDetails1" id="RightOfUseAssetsDetails1">
        <link:definition>99666040702 - Disclosure - Right of use assets - (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightOfUseAssetsDetails2" id="RightOfUseAssetsDetails2">
        <link:definition>99666040703 - Disclosure - Right of use assets - (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightOfUseAssetsDetails3" id="RightOfUseAssetsDetails3">
        <link:definition>99666040704 - Disclosure - Right of use assets - (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightofuseassetsDetails4" id="RightofuseassetsDetails4">
        <link:definition>99666040705 - Disclosure - Right of use assets - (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightofuseassetsDetails5" id="RightofuseassetsDetails5">
        <link:definition>99666040706 - Disclosure - Right of use assets - (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RightofuseassetsDetailsTextual" id="RightofuseassetsDetailsTextual">
        <link:definition>99666040707 - Disclosure - Right of use assets - (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CashAndCashEquivalentsDetails" id="CashAndCashEquivalentsDetails">
        <link:definition>99666040801 - Disclosure - Cash and cash equivalents (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CashandcashequivalentsDetailsCalc2" id="CashandcashequivalentsDetailsCalc2">
        <link:definition>996660408011 - Disclosure - Cash and cash equivalents (Details) (Calc 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CashAndCashEquivalentsDetailsTextual" id="CashAndCashEquivalentsDetailsTextual">
        <link:definition>99666040802 - Disclosure - Cash and cash equivalents (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsDetails" id="OthercurrentnonfinancialassetsDetails">
        <link:definition>99666040901 - Disclosure - Other current non-financial assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsDetails1" id="OthercurrentnonfinancialassetsDetails1">
        <link:definition>99666040902 - Disclosure - Other current non-financial assets (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsDetails3" id="OthercurrentnonfinancialassetsDetails3">
        <link:definition>99666040903 - Disclosure - Other current non-financial assets (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsDetails4" id="OthercurrentnonfinancialassetsDetails4">
        <link:definition>99666040904 - Disclosure - Other current non-financial assets (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsDetails5" id="OthercurrentnonfinancialassetsDetails5">
        <link:definition>99666040905 - Disclosure - Other current non-financial assets (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentnonfinancialassetsDetailsTextual" id="OthercurrentnonfinancialassetsDetailsTextual">
        <link:definition>99666040906 - Disclosure - Other current non-financial assets (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentnonfinancialassetsDetails" id="OthernoncurrentnonfinancialassetsDetails">
        <link:definition>99666041001 - Disclosure - Other non-current non-financial assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/InvestmentsDetails" id="InvestmentsDetails">
        <link:definition>99666041101 - Disclosure - Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/InvestmentsDetails1" id="InvestmentsDetails1">
        <link:definition>99666041102 - Disclosure - Investments (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentfinancialassetsDetails" id="OthernoncurrentfinancialassetsDetails">
        <link:definition>99666041201 - Disclosure - Other non-current financial assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentfinancialassetsDetails1" id="OthernoncurrentfinancialassetsDetails1">
        <link:definition>99666041202 - Disclosure - Other non-current financial assets (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentfinancialassetsDetails2" id="OthernoncurrentfinancialassetsDetails2">
        <link:definition>99666041203 - Disclosure - Other non-current financial assets (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CurrenttaxassetsnoncurrentDetails" id="CurrenttaxassetsnoncurrentDetails">
        <link:definition>99666041301 - Disclosure - Current tax assets, non-current (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CurrenttaxassetsnoncurrentDetails1" id="CurrenttaxassetsnoncurrentDetails1">
        <link:definition>99666041302 - Disclosure - Current tax assets, non-current (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilitiesDetails" id="DeferredTaxAssetsAndLiabilitiesDetails">
        <link:definition>99666041401 - Disclosure - Deferred tax assets and liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilitiesDetails1" id="DeferredTaxAssetsAndLiabilitiesDetails1">
        <link:definition>99666041402 - Disclosure - Deferred tax assets and liabilities (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilitiesDetails2" id="DeferredTaxAssetsAndLiabilitiesDetails2">
        <link:definition>99666041403 - Disclosure - Deferred tax assets and liabilities (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilitiesDetails3" id="DeferredTaxAssetsAndLiabilitiesDetails3">
        <link:definition>99666041404 - Disclosure - Deferred tax assets and liabilities (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredTaxAssetsAndLiabilitiesDetails4" id="DeferredTaxAssetsAndLiabilitiesDetails4">
        <link:definition>99666041405 - Disclosure - Deferred tax assets and liabilities (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/InventoriesDetails" id="InventoriesDetails">
        <link:definition>99666041501 - Disclosure - Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/InventoriesDetailsTextual" id="InventoriesDetailsTextual">
        <link:definition>99666041502 - Disclosure - Inventories (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/TradereceivablesDetails" id="TradereceivablesDetails">
        <link:definition>99666041601 - Disclosure - Trade receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/TradereceivablesDetails1" id="TradereceivablesDetails1">
        <link:definition>99666041602 - Disclosure - Trade receivables (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentfinancialassetsDetails" id="OthercurrentfinancialassetsDetails">
        <link:definition>99666041701 - Disclosure - Other current financial assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityDetails" id="EquityDetails">
        <link:definition>99666041801 - Disclosure - Equity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityDetails1" id="EquityDetails1">
        <link:definition>99666041802 - Disclosure - Equity (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityDetails2" id="EquityDetails2">
        <link:definition>99666041803 - Disclosure - Equity (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityDetails3" id="EquityDetails3">
        <link:definition>99666041804 - Disclosure - Equity (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityDetails4" id="EquityDetails4">
        <link:definition>99666041805 - Disclosure - Equity (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EquityDetailsTextual" id="EquityDetailsTextual">
        <link:definition>99666041806 - Disclosure - Equity (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeeBenefitsDetails" id="EmployeeBenefitsDetails">
        <link:definition>99666041901 - Disclosure - Employee benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails1" id="EmployeebenefitsDetails1">
        <link:definition>99666041902 - Disclosure - Employee benefits (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails2" id="EmployeebenefitsDetails2">
        <link:definition>99666041903 - Disclosure - Employee benefits (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails3" id="EmployeebenefitsDetails3">
        <link:definition>99666041904 - Disclosure - Employee benefits (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails4" id="EmployeebenefitsDetails4">
        <link:definition>99666041905 - Disclosure - Employee benefits (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails5" id="EmployeebenefitsDetails5">
        <link:definition>99666041906 - Disclosure - Employee benefits (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails6" id="EmployeebenefitsDetails6">
        <link:definition>99666041907 - Disclosure - Employee benefits (Details 6)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails7" id="EmployeebenefitsDetails7">
        <link:definition>99666041908 - Disclosure - Employee benefits (Details 7)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails8" id="EmployeebenefitsDetails8">
        <link:definition>99666041909 - Disclosure - Employee benefits (Details 8)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails9" id="EmployeebenefitsDetails9">
        <link:definition>99666041910 - Disclosure - Employee benefits (Details 9)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeebenefitsDetails10" id="EmployeebenefitsDetails10">
        <link:definition>99666041911 - Disclosure - Employee benefits (Details 10)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EmployeeBenefitsDetailsTextual" id="EmployeeBenefitsDetailsTextual">
        <link:definition>99666041912 - Disclosure - Employee benefits (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails" id="BorrowingsDetails">
        <link:definition>99666042001 - Disclosure - Borrowings (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails1" id="BorrowingsDetails1">
        <link:definition>99666042002 - Disclosure - Borrowings (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails2" id="BorrowingsDetails2">
        <link:definition>99666042003 - Disclosure - Borrowings (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetailsTextual" id="BorrowingsDetailsTextual">
        <link:definition>99666042004 - Disclosure - Borrowings (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails3" id="BorrowingsDetails3">
        <link:definition>99666042005 - Disclosure - Borrowings (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetailsTextual1" id="BorrowingsDetailsTextual1">
        <link:definition>99666042006 - Disclosure - Borrowings (Details Textual)_1</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails4" id="BorrowingsDetails4">
        <link:definition>99666042007 - Disclosure - Borrowings (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails5" id="BorrowingsDetails5">
        <link:definition>99666042008 - Disclosure - Borrowings (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails6" id="BorrowingsDetails6">
        <link:definition>99666042009 - Disclosure - Borrowings (Details 6)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/BorrowingsDetails7" id="BorrowingsDetails7">
        <link:definition>99666042010 - Disclosure - Borrowings (Details 7)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentfinancialliabilitiesDetails" id="OthernoncurrentfinancialliabilitiesDetails">
        <link:definition>99666042101 - Disclosure - Other non-current financial liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthernoncurrentnonfinancialliabilitiesDetails" id="OthernoncurrentnonfinancialliabilitiesDetails">
        <link:definition>99666042201 - Disclosure - Other non-current non-financial liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/TradepayablesDetails" id="TradepayablesDetails">
        <link:definition>99666042301 - Disclosure - Trade payables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/TradepayablesParentheticalDetails" id="TradepayablesParentheticalDetails">
        <link:definition>99666042302 - Disclosure - Trade payables (Parenthetical) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherCurrentFinancialLiabilitiesDetails" id="OtherCurrentFinancialLiabilitiesDetails">
        <link:definition>99666042401 - Disclosure - Other Current Financial Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherCurrentFinancialLiabilitiesParentheticalDetails" id="OtherCurrentFinancialLiabilitiesParentheticalDetails">
        <link:definition>99666042402 - Disclosure - Other Current Financial Liabilities (Parenthetical) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OthercurrentliabilitiesDetails" id="OthercurrentliabilitiesDetails">
        <link:definition>99666042403 - Disclosure - Other current liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RevenueDetails" id="RevenueDetails">
        <link:definition>99666042404 - Disclosure - Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RevenueDetails1" id="RevenueDetails1">
        <link:definition>99666042501 - Disclosure - Revenue (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PerformanceObligationsAndRemainingPerformanceObligationsDetails" id="PerformanceObligationsAndRemainingPerformanceObligationsDetails">
        <link:definition>99666042601 - Disclosure - Performance obligations and remaining performance obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CostOfSalesDisclosureMajorItemsOfCostOfSalesDetails" id="CostOfSalesDisclosureMajorItemsOfCostOfSalesDetails">
        <link:definition>99666042701 - Disclosure - Cost of sales - Disclosure major items of cost of sales (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SellingGeneralAndAdministrativeExpensesDetails" id="SellingGeneralAndAdministrativeExpensesDetails">
        <link:definition>996660427011 - Disclosure - Selling, general and administrative expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SellinggeneralandadministrativeexpensesDetailsCalc2" id="SellinggeneralandadministrativeexpensesDetailsCalc2">
        <link:definition>99666042801 - Disclosure - Selling, general and administrative expenses (Details) (Calc 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PersonnelExpensesDetails" id="PersonnelExpensesDetails">
        <link:definition>99666042802 - Disclosure - Personnel expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/PersonnelexpensesDetailsTextual" id="PersonnelexpensesDetailsTextual">
        <link:definition>99666042803 - Disclosure - Personnel expenses (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetailsTextual" id="ShareBasedPaymentsDetailsTextual">
        <link:definition>99666042902 - Disclosure - Share-based payments (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetails1" id="ShareBasedPaymentsDetails1">
        <link:definition>99666042903 - Disclosure - Share-based payments (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetails2" id="ShareBasedPaymentsDetails2">
        <link:definition>99666042904 - Disclosure - Share-based payments (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetails3" id="ShareBasedPaymentsDetails3">
        <link:definition>99666042905 - Disclosure - Share-based payments (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetails4" id="ShareBasedPaymentsDetails4">
        <link:definition>99666042906 - Disclosure - Share-based payments (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetails5" id="ShareBasedPaymentsDetails5">
        <link:definition>99666042907 - Disclosure - Share-based payments (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ShareBasedPaymentsDetails6" id="ShareBasedPaymentsDetails6">
        <link:definition>99666043001 - Disclosure - Share-based payments (Details 6)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialincomeandexpenseDetailsTextual" id="FinancialincomeandexpenseDetailsTextual">
        <link:definition>99666043002 - Disclosure - Financial income and expense (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialIncomeAndExpenseDetails" id="FinancialIncomeAndExpenseDetails">
        <link:definition>99666043101 - Disclosure - Financial income and expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EarningsPerShareDetails" id="EarningsPerShareDetails">
        <link:definition>99666043102 - Disclosure - Earnings per share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EarningsPerShareDetails1" id="EarningsPerShareDetails1">
        <link:definition>99666043103 - Disclosure - Earnings per share (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EarningsPerShareDetails2" id="EarningsPerShareDetails2">
        <link:definition>99666043104 - Disclosure - Earnings per share (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/EarningsPerShareDetailsTextual" id="EarningsPerShareDetailsTextual">
        <link:definition>99666043201 - Disclosure - Earnings per share (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReportingDetails" id="SegmentReportingDetails">
        <link:definition>99666043202 - Disclosure - Segment reporting (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReportingDetails1" id="SegmentReportingDetails1">
        <link:definition>99666043203 - Disclosure - Segment reporting (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReportingDetails2" id="SegmentReportingDetails2">
        <link:definition>99666043204 - Disclosure - Segment reporting (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReportingDetails3" id="SegmentReportingDetails3">
        <link:definition>99666043205 - Disclosure - Segment reporting (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentreportingDetails4" id="SegmentreportingDetails4">
        <link:definition>99666043206 - Disclosure - Segment reporting (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/SegmentReportingDetailsTextual" id="SegmentReportingDetailsTextual">
        <link:definition>99666043301 - Disclosure - Segment reporting (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ContingenciesDetails" id="ContingenciesDetails">
        <link:definition>99666043302 - Disclosure - Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ContingenciesDetailsTextual" id="ContingenciesDetailsTextual">
        <link:definition>99666043401 - Disclosure - Contingencies (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RelatedpartytransactionDetails" id="RelatedpartytransactionDetails">
        <link:definition>99666043402 - Disclosure - Related party transaction (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RelatedpartytransactionDetails1" id="RelatedpartytransactionDetails1">
        <link:definition>99666043403 - Disclosure - Related party transaction (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RelatedPartyTransactionDisclosureOfDetailedInformationAboutRelatedPartiesParentheticalDetails" id="RelatedPartyTransactionDisclosureOfDetailedInformationAboutRelatedPartiesParentheticalDetails">
        <link:definition>99666043404 - Disclosure - Related party transaction - Disclosure of detailed information about related parties (Parenthetical) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/RelatedpartytransactionDetailsTextual" id="RelatedpartytransactionDetailsTextual">
        <link:definition>99666043501 - Disclosure - Related party transaction (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetails" id="FinancialInstrumentsDetails">
        <link:definition>99666043502 - Disclosure - Financial instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetails1" id="FinancialInstrumentsDetails1">
        <link:definition>99666043503 - Disclosure - Financial instruments (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetails2" id="FinancialInstrumentsDetails2">
        <link:definition>99666043504 - Disclosure - Financial instruments (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetails3" id="FinancialInstrumentsDetails3">
        <link:definition>99666043505 - Disclosure - Financial instruments (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetails4" id="FinancialInstrumentsDetails4">
        <link:definition>99666043506 - Disclosure - Financial instruments (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetails5" id="FinancialInstrumentsDetails5">
        <link:definition>99666043507 - Disclosure - Financial instruments (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialinstrumentsDetails6" id="FinancialinstrumentsDetails6">
        <link:definition>99666043508 - Disclosure - Financial instruments (Details 6)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialinstrumentsDetails7" id="FinancialinstrumentsDetails7">
        <link:definition>99666043509 - Disclosure - Financial instruments (Details 7)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialinstrumentsDetails8" id="FinancialinstrumentsDetails8">
        <link:definition>99666043510 - Disclosure - Financial instruments (Details 8)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialInstrumentsDetailsTextual" id="FinancialInstrumentsDetailsTextual">
        <link:definition>99666043601 - Disclosure - Financial instruments (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails" id="FinancialRiskManagementDetails">
        <link:definition>99666043602 - Disclosure - Financial Risk Management (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails1" id="FinancialRiskManagementDetails1">
        <link:definition>99666043603 - Disclosure - Financial Risk Management (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails2" id="FinancialRiskManagementDetails2">
        <link:definition>99666043604 - Disclosure - Financial Risk Management (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails3" id="FinancialRiskManagementDetails3">
        <link:definition>996660436041 - Disclosure - Financial Risk Management (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails4" id="FinancialRiskManagementDetails4">
        <link:definition>99666043605 - Disclosure - Financial Risk Management (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails5" id="FinancialRiskManagementDetails5">
        <link:definition>99666043606 - Disclosure - Financial Risk Management (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails6" id="FinancialRiskManagementDetails6">
        <link:definition>99666043607 - Disclosure - Financial Risk Management (Details 6)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails7" id="FinancialRiskManagementDetails7">
        <link:definition>99666043608 - Disclosure - Financial Risk Management (Details 7)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetails8" id="FinancialRiskManagementDetails8">
        <link:definition>99666043609 - Disclosure - Financial Risk Management (Details 8)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/FinancialRiskManagementDetailsTextual" id="FinancialRiskManagementDetailsTextual">
        <link:definition>99666043701 - Disclosure - Financial Risk Management (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/IssueOfSharesOnAPrivatePlacementBasisToTheExistingPromoterGroupDetailsTextual" id="IssueOfSharesOnAPrivatePlacementBasisToTheExistingPromoterGroupDetailsTextual">
        <link:definition>99666043801 - Disclosure - Issue of shares on a private placement basis to the existing promoter group (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CorporateSocialResponsibilityCsrExpenditureDetails" id="CorporateSocialResponsibilityCsrExpenditureDetails">
        <link:definition>99666043802 - Disclosure - Corporate Social Responsibility (CSR) expenditure (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CorporateSocialResponsibilityCsrExpenditureDetailsTextual" id="CorporateSocialResponsibilityCsrExpenditureDetailsTextual">
        <link:definition>99666043901 - Disclosure - Corporate Social Responsibility (CSR) expenditure (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CapitalManagementDetails" id="CapitalManagementDetails">
        <link:definition>99666043902 - Disclosure - Capital Management (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/CapitalManagementDetailsTextual" id="CapitalManagementDetailsTextual">
        <link:definition>99666044001 - Disclosure - Capital Management (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/ManagementDefinedPerformanceMeasuresMpmsDisclosureOfReconciliationWithManagementDefinedPerformanceMeasuresDetails" id="ManagementDefinedPerformanceMeasuresMpmsDisclosureOfReconciliationWithManagementDefinedPerformanceMeasuresDetails">
        <link:definition>99666044101 - Disclosure - Management-Defined Performance Measures (MPMs) -Disclosure of reconciliation with management-defined performance measures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherInvestmentsDetails" id="OtherInvestmentsDetails">
        <link:definition>99666044601 - Disclosure - Other investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/OtherLiabilitiesDetails" id="OtherLiabilitiesDetails">
        <link:definition>99666044701 - Disclosure - Other liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://corporate.sify.com/role/DeferredIncomeDetails" id="DeferredIncomeDetails">
        <link:definition>99666044801 - Disclosure - Deferred income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full" schemaLocation="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/cyd/2024" schemaLocation="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/XLink" schemaLocation="http://www.xbrl.org/2003/xl-2003-12-31.xsd" />
  <xsd:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2006/ref" schemaLocation="http://www.xbrl.org/2006/ref-2006-02-27.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:element name="SalesOfStockAxis" id="sify_SalesOfStockAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SalesOfStockDomain" id="sify_SalesOfStockDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="StatementsTable" id="sify_StatementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="StatementsLineItems" id="sify_StatementsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ProfitLossBeforeInterestAndTax" id="sify_ProfitLossBeforeInterestAndTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TransactionsWithOwnersRecordedDirectlyInEquitAbstract" id="sify_TransactionsWithOwnersRecordedDirectlyInEquitAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughRightIssue" id="sify_IncreaseDecreaseThroughRightIssue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughDebenturePremiumOnIssueOfNonconvertibleDebentures" id="sify_IncreaseDecreaseThroughDebenturePremiumOnIssueOfNonconvertibleDebentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughDividendPaidOnNoncumulativeCompulsorilyConvertiblePreferenceShares" id="sify_IncreaseDecreaseThroughDividendPaidOnNoncumulativeCompulsorilyConvertiblePreferenceShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughAcquisitionOfPreferenceShareSubsidiary" id="sify_IncreaseDecreaseThroughAcquisitionOfPreferenceShareSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TransferredFromShareBasedPaymentReserve" id="sify_TransferredFromShareBasedPaymentReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AmortizationOfLeaseholdPrepayments" id="sify_AmortizationOfLeaseholdPrepayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PurchaseOfInvestmentsInPreferenceShares" id="sify_PurchaseOfInvestmentsInPreferenceShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentForAcquiringRightOfUseAssets" id="sify_PaymentForAcquiringRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssueOfNonConvertibleDebentures" id="sify_ProceedsFromIssueOfNonConvertibleDebentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfReportingEntityAbstract" id="sify_DisclosureOfReportingEntityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfReportingEntityTextBlock" id="sify_DisclosureOfReportingEntityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfBasisOfPreparationAbstract" id="sify_DisclosureOfBasisOfPreparationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfSignificantAccountingPoliciesAbstract" id="sify_DisclosureOfSignificantAccountingPoliciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDeterminationOfFairValuesAbstract" id="sify_DisclosureOfDeterminationOfFairValuesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCashAndCashEquivalentsAbstract" id="sify_DisclosureOfCashAndCashEquivalentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherCurrentNonfinancialAssetsAbstract" id="sify_DisclosureOfOtherCurrentNonfinancialAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherCurrentNonfinancialAssetsTextBlock" id="sify_DisclosureOfOtherCurrentNonfinancialAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDeferredTaxAssetsAndLiabilitiesAbstract" id="sify_DisclosureOfDeferredTaxAssetsAndLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfPrepaymentsForCurrentAssetsAbstract" id="sify_DisclosureOfPrepaymentsForCurrentAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherInvestmentsAbstract" id="sify_DisclosureOfOtherInvestmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEquityAbstract" id="sify_DisclosureOfEquityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEmployeeBenefitsAbstract" id="sify_DisclosureOfEmployeeBenefitsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherLiabilitiesAbstract" id="sify_DisclosureOfOtherLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDeferredIncomeAbstract" id="sify_DisclosureOfDeferredIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfRevenueAbstract" id="sify_DisclosureOfRevenueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCostOfGoodsSoldAndServicesRenderedAbstract" id="sify_DisclosureOfCostOfGoodsSoldAndServicesRenderedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfSellingGeneralAndAdministrativeExpensesAbstract" id="sify_DisclosureOfSellingGeneralAndAdministrativeExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfPersonnelExpensesAbstract" id="sify_DisclosureOfPersonnelExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEmployeeBenefitsExplanatorysTextBlock" id="sify_DisclosureOfEmployeeBenefitsExplanatorysTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfFinancialIncomeAndExpenseAbstract" id="sify_DisclosureOfFinancialIncomeAndExpenseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEarningsPerShareAbstract" id="sify_DisclosureOfEarningsPerShareAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfContingenciesAbstract" id="sify_DisclosureOfContingenciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfFinancialRiskManagementAbstract" id="sify_DisclosureOfFinancialRiskManagementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfIssuedCapitalExplanatoryAbstract" id="sify_DisclosureOfIssuedCapitalExplanatoryAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCorporateSocialResponsibilityCsrExpenditureAbstract" id="sify_DisclosureOfCorporateSocialResponsibilityCsrExpenditureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ManagementDefinedPerformanceMeasuresAbstract" id="sify_ManagementDefinedPerformanceMeasuresAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ManagementDefinedPerformanceMeasuresExplanatoryTextBlock" id="sify_ManagementDefinedPerformanceMeasuresExplanatoryTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfAccountingPolicyForBasisOfConsolidationTextBlock" id="sify_DescriptionOfAccountingPolicyForBasisOfConsolidationTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfAccountingPolicyForContractAssetsOrLiabilitiesExplanatory" id="sify_DescriptionOfAccountingPolicyForContractAssetsOrLiabilitiesExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherOperatingincomeInvestmentIncomeAndFinanceIncomeExplanatory" id="sify_DisclosureOfOtherOperatingincomeInvestmentIncomeAndFinanceIncomeExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfAccountingPolicyForClassificationOfCurrentAndNonCurrentAssetsAndLiabilitiesTextBlock" id="sify_DescriptionOfAccountingPolicyForClassificationOfCurrentAndNonCurrentAssetsAndLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureChangesInConsolidatedStatementOfIncomeExplanatoryTableTextBlock" id="sify_DisclosureChangesInConsolidatedStatementOfIncomeExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureChangesInConsolidatedStatementOfCashFlowExplanatory" id="sify_DisclosureChangesInConsolidatedStatementOfCashFlowExplanatory" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentWithEstimatedUsefulLivesTextBlock" id="sify_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentWithEstimatedUsefulLivesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutIntangibleAssetsWithFiniteUsefulLifeTextBlock" id="sify_DisclosureOfDetailedInformationAboutIntangibleAssetsWithFiniteUsefulLifeTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutIntangibleAssetsOtherThanGoodwillTextBlock" id="sify_DisclosureOfDetailedInformationAboutIntangibleAssetsOtherThanGoodwillTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureDetailOfLeaseLiabilitiesTableTextBlock" id="sify_DisclosureDetailOfLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureDetailOfMovementInLeaseLiabilitiesTableTextBlock" id="sify_DisclosureDetailOfMovementInLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureDetailOfMaturityAnalysisOfContractualLeaseLiabilitiesUndiscountedTableTextBlock" id="sify_DisclosureDetailOfMaturityAnalysisOfContractualLeaseLiabilitiesUndiscountedTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutReceivablesContractAssetsAndContractLiabilitiesFromTheContractsWithTheCustomersTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutReceivablesContractAssetsAndContractLiabilitiesFromTheContractsWithTheCustomersTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutMovementInContractLiabilitiesTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutMovementInContractLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationOfRecognizedDeferredTaxAssetsLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationOfRecognizedDeferredTaxAssetsLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutUnrecognizedDeferredTaxAssetsLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutUnrecognizedDeferredTaxAssetsLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEffectiveIncomeTaxProvisionReconciliationTextBlock" id="sify_DisclosureOfEffectiveIncomeTaxProvisionReconciliationTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutInventoriesTextBlock" id="sify_DisclosureOfDetailedInformationAboutInventoriesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTableTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTableTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutTradeReceivablesTextBlock" id="sify_DisclosureOfDetailedInformationAboutTradeReceivablesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedAboutAllowanceForCreditLossesTextBlock" id="sify_DisclosureOfDetailedAboutAllowanceForCreditLossesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherReceivablesTextBlock" id="sify_DisclosureOfOtherReceivablesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDerailedInformationAboutPrepaymentsForCurrentAssetsTextBlock" id="sify_DisclosureOfDerailedInformationAboutPrepaymentsForCurrentAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFairValueOfInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" id="sify_DisclosureOfDetailedInformationAboutFairValueOfInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutNumberOfSharesIssuedTextBlock" id="sify_DisclosureOfDetailedInformationAboutNumberOfSharesIssuedTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFullyPaidCompulsorilyConvertibleDebenturesExplanatoryTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutFullyPaidCompulsorilyConvertibleDebenturesExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutEmployeeBenefitsTextBlock" id="sify_DisclosureOfDetailedInformationAboutEmployeeBenefitsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCostsRecognizedInResultsToIncreaseOrDecreaseInNetDefinedBenefitLiabilityAssetTextBlock" id="sify_DisclosureOfDetailedInformationAboutCostsRecognizedInResultsToIncreaseOrDecreaseInNetDefinedBenefitLiabilityAssetTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfActuarialAssumptionsTextBlock" id="sify_DisclosureOfActuarialAssumptionsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutWeightedAverageAllocationOfAssetsTextBlock" id="sify_DisclosureOfDetailedInformationAboutWeightedAverageAllocationOfAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutGainOrRelatingToActuarialAssumptionsRecognizedInOtherComprehensiveIncomeTextBlock" id="sify_DisclosureOfDetailedInformationAboutGainOrRelatingToActuarialAssumptionsRecognizedInOtherComprehensiveIncomeTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherNoncurrentLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherNoncurrentLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCurrentTradeAndOtherPayablesTextBlock" id="sify_DisclosureOfDetailedInformationAboutCurrentTradeAndOtherPayablesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCurrentDeferredIncomeTextBlock" id="sify_DisclosureOfDetailedInformationAboutCurrentDeferredIncomeTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutRevenueTextBlock" id="sify_DisclosureOfDetailedInformationAboutRevenueTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutRevenueExpectedToBeRecognisedInTheFutureRelatedToPerformanceObligationTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutRevenueExpectedToBeRecognisedInTheFutureRelatedToPerformanceObligationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCostOfSaleExplanatoryTableTextBlock" id="sify_DisclosureOfCostOfSaleExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTextBlock" id="sify_DisclosureOfDetailedInformationAboutGeneralAndAdministrativeExpenseTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutEmployeeBenefitTextBlock" id="sify_DisclosureOfDetailedInformationAboutEmployeeBenefitTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFinancialIncomeAndExpenditureTextBlock" id="sify_DisclosureOfDetailedInformationAboutFinancialIncomeAndExpenditureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutEarningsPerShareTextBlock" id="sify_DisclosureOfDetailedInformationAboutEarningsPerShareTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutWeightedAverageNumberOfSharesTextBlock" id="sify_DisclosureOfDetailedInformationAboutWeightedAverageNumberOfSharesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutAdjustedWeightedAverageNumberOfSharesTextBlock" id="sify_DisclosureOfDetailedInformationAboutAdjustedWeightedAverageNumberOfSharesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutRelatedPartiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutRelatedPartiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOutstandingSwapContractTextBlock" id="sify_DisclosureOfOutstandingSwapContractTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="MaturityAnalysisForDerivativeFinancialInstrumentsExplanatoryTextBlock" id="sify_MaturityAnalysisForDerivativeFinancialInstrumentsExplanatoryTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutMaturityAnalysisOfInterestRateSwapsTextBlock" id="sify_DisclosureOfDetailedInformationAboutMaturityAnalysisOfInterestRateSwapsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFairValueMeasurementTextBlock" id="sify_DisclosureOfDetailedInformationAboutFairValueMeasurementTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfFinancialAssetsThatArePastDueOrImpairedTextBlock" id="sify_DisclosureOfFinancialAssetsThatArePastDueOrImpairedTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutChangesInEquityAnfNetProfitDueToChangesInBasePointsOfVariableInterestTextBlock" id="sify_DisclosureOfDetailedInformationAboutChangesInEquityAnfNetProfitDueToChangesInBasePointsOfVariableInterestTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCorporateSocialResponsibilityCsrExpenditureTextBlock" id="sify_DisclosureOfDetailedInformationAboutCorporateSocialResponsibilityCsrExpenditureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfReconciliationWithManagementDefinedPerformanceMeasureExplanatoryTableTextBlock" id="sify_DisclosureOfReconciliationWithManagementDefinedPerformanceMeasureExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsFromOthersMember" id="sify_BorrowingsFromOthersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromPaymentsOfLiabilitiesArisingFromFinancingActivities" id="sify_ProceedsFromPaymentsOfLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RepaymentsToLiabilitiesArisingFromFinancingActivities" id="sify_RepaymentsToLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInShortTermBorrowingsOneArisingFromFinancingActivities" id="sify_IncreaseDecreaseInShortTermBorrowingsOneArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughOtherChangesFromFinancingActivities" id="sify_IncreaseDecreaseThroughOtherChangesFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NetFinanceExpenses" id="sify_NetFinanceExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfBasisOfPreparationTable" id="sify_DisclosureOfBasisOfPreparationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentsAxis" id="sify_DebtInstrumentsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentMember" id="sify_DebtInstrumentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfBasisOfPreparationLineItems" id="sify_DisclosureOfBasisOfPreparationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BuildingsComprisingCivilStructureMember" id="sify_BuildingsComprisingCivilStructureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ImprovementsFormingPartOfTheBuildingMember" id="sify_ImprovementsFormingPartOfTheBuildingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="UnderseaCableCapacityMember" id="sify_UnderseaCableCapacityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SubsequentEventAxis" id="sify_SubsequentEventAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SubsequentEventDomain" id="sify_SubsequentEventDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ResidualValueOfAssets" id="sify_ResidualValueOfAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AccumulatedDepreciationAndAmortisationsMember" id="sify_AccumulatedDepreciationAndAmortisationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FreeholdMember" id="sify_FreeholdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentOtherThanConstructionWorkInProgressMember" id="sify_PropertyPlantAndEquipmentOtherThanConstructionWorkInProgressMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IntangibleAssetsOtherThanGoodwillNet" id="sify_IntangibleAssetsOtherThanGoodwillNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfIntangibleAssetsAndGoodwillExplanatoryTable" id="sify_DisclosureOfIntangibleAssetsAndGoodwillExplanatoryTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BandwidthCapacityMember" id="sify_BandwidthCapacityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfIntangibleAssetsAndGoodwillExplanatoryLineItems" id="sify_DisclosureOfIntangibleAssetsAndGoodwillExplanatoryLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IruMember" id="sify_IruMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseLiabilitiesIncurredDuringThePeriod" id="sify_LeaseLiabilitiesIncurredDuringThePeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DecreaseInLeaseLiabilitiesDueToDisposalOfRightOfUseAssets" id="sify_DecreaseInLeaseLiabilitiesDueToDisposalOfRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PaymentOfLeaseLiabilitiesOne" id="sify_PaymentOfLeaseLiabilitiesOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueAdjustmentOfRightOfUseAsset" id="sify_FairValueAdjustmentOfRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInLeaseLiabilitiesDueToForeignExchangeTranslationAdjustment" id="sify_IncreaseDecreaseInLeaseLiabilitiesDueToForeignExchangeTranslationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureDetailOfMaturityAnalysisOfContractualLeaseLiabilitiesUndiscountedLineItems" id="sify_DisclosureDetailOfMaturityAnalysisOfContractualLeaseLiabilitiesUndiscountedLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CurrentRestrictedCashAbstract" id="sify_CurrentRestrictedCashAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NonRestrictedCashAndCashEquivalents" id="sify_NonRestrictedCashAndCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CashAndCashEquivalentsIncludingRestrictedCash" id="sify_CashAndCashEquivalentsIncludingRestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ContractLiabilityDeferredIncomeCurrent" id="sify_ContractLiabilityDeferredIncomeCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ContractLiabilitiesAdjustment" id="sify_ContractLiabilitiesAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RevenueThatWasIncludedInDeferredRevenueAtBeginningOfPeriod" id="sify_RevenueThatWasIncludedInDeferredRevenueAtBeginningOfPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ContractCostsCapitalised" id="sify_ContractCostsCapitalised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ContractCostsAmortized" id="sify_ContractCostsAmortized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDeferredTaxesExplanatoryTable" id="sify_DisclosureOfDeferredTaxesExplanatoryTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsPropertyPlantAndEquipmentMember" id="sify_DeferredTaxAssetsPropertyPlantAndEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseObligationOnRightOfUseAssetsMember" id="sify_LeaseObligationOnRightOfUseAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsProvisionForEmployeeBenefitsMember" id="sify_DeferredTaxAssetsProvisionForEmployeeBenefitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsAccountsReceivableMember" id="sify_DeferredTaxAssetsAccountsReceivableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentMadeToTheMsmeVendorsMember" id="sify_PaymentMadeToTheMsmeVendorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsProvisionForDoubtfulAdvancesMember" id="sify_DeferredTaxAssetsProvisionForDoubtfulAdvancesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxLiabilitiesIntangibleAssetsMember" id="sify_DeferredTaxLiabilitiesIntangibleAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxLiabilitiesFinanceLeaseObligationsMember" id="sify_DeferredTaxLiabilitiesFinanceLeaseObligationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems" id="sify_DisclosureOfDeferredTaxAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeductibleTemporaryDifferenceAbstract" id="sify_DeductibleTemporaryDifferenceAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TaxableTemporaryDifferenceAbstract" id="sify_TaxableTemporaryDifferenceAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDeferredTaxAssetsAndLiabilitiesTable" id="sify_DisclosureOfDeferredTaxAssetsAndLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetPropertyPlantAndEquipmentMember" id="sify_DeferredTaxAssetPropertyPlantAndEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseObligationsOnRightOfUseAssetsMember" id="sify_LeaseObligationsOnRightOfUseAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognisedDeferredTaxAssetsLiabilities" id="sify_UnrecognisedDeferredTaxAssetsLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ProfitLossBeforeIncomeTaxes" id="sify_ProfitLossBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TaxExpensesIncomeAtApplicableTaxRate" id="sify_TaxExpensesIncomeAtApplicableTaxRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EffectOfAbstract" id="sify_EffectOfAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TaxEffectOfUnrecognizedDeferredTaxAssetOnTemporaryDifferences" id="sify_TaxEffectOfUnrecognizedDeferredTaxAssetOnTemporaryDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TaxEffectOfExpensesThatAreNotDeductibleInDeterminingTaxableProfit" id="sify_TaxEffectOfExpensesThatAreNotDeductibleInDeterminingTaxableProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UtilizationOfPreviouslyUnrecognizedTemporaryDifferences" id="sify_UtilizationOfPreviouslyUnrecognizedTemporaryDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PermanentDifferenceOnAccountOfCouponChargesOnCcds" id="sify_PermanentDifferenceOnAccountOfCouponChargesOnCcds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxExpensesDerivedFromContinuingOperations" id="sify_IncomeTaxExpensesDerivedFromContinuingOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TradeAndOtherReceivablesDomain" id="sify_TradeAndOtherReceivablesDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TradeAndOtherReceivableAxis" id="sify_TradeAndOtherReceivableAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OtherCurrentTradeReceivables" id="sify_OtherCurrentTradeReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AllowancesAccountForCreditLossesOfFinancialAssets" id="sify_AllowancesAccountForCreditLossesOfFinancialAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="TradeReceivable" id="sify_TradeReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfAllowanceForDoubtfulAccountsReceivableAbstract" id="sify_DisclosureOfAllowanceForDoubtfulAccountsReceivableAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AdditionalAllowancesRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets" id="sify_AdditionalAllowancesRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ReversalAllowancesAccountForCreditLossesOfFinancialAssets" id="sify_ReversalAllowancesAccountForCreditLossesOfFinancialAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CurrentPrepaymentsForPurchaseOfBandwidth" id="sify_CurrentPrepaymentsForPurchaseOfBandwidth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OtherCurrentPrepayments" id="sify_OtherCurrentPrepayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="VashiRailwayStationCommercialComplexLimitedMember" id="sify_VashiRailwayStationCommercialComplexLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SarayuCleanGenPrivateLimitedMember" id="sify_SarayuCleanGenPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TheGizmoAppCompanyMember" id="sify_TheGizmoAppCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TasoulaEnergyPrivateLimitedMember" id="sify_TasoulaEnergyPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PadvestCorporationMember" id="sify_PadvestCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DigifreshCorporationMember" id="sify_DigifreshCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VehSrishtiEnergyPrivateLimitedMember" id="sify_VehSrishtiEnergyPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ChatterIncMember" id="sify_ChatterIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PasserineTechnologiesIncMember" id="sify_PasserineTechnologiesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CloudfabrixSoftwareIncMember" id="sify_CloudfabrixSoftwareIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SylvieUnlimitedIncMember" id="sify_SylvieUnlimitedIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SunsureSolarparkEighteenPrivateLimitedMember" id="sify_SunsureSolarparkEighteenPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfFinancialAssetsAtAmortisedCostAbstract" id="sify_DisclosureOfFinancialAssetsAtAmortisedCostAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSharesIssuedForCash" id="sify_NumberOfSharesIssuedForCash" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="IssuedCapitalInValue" id="sify_IssuedCapitalInValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFullyPaidCompulsorilyConvertibleDebenturesTable" id="sify_DisclosureOfDetailedInformationAboutFullyPaidCompulsorilyConvertibleDebenturesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CompulsorilyConvertibleDebenturesMember" id="sify_CompulsorilyConvertibleDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="KotakDataCenterFundMember" id="sify_KotakDataCenterFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFullyPaidCompulsorilyConvertibleDebenturesLineItems" id="sify_DisclosureOfDetailedInformationAboutFullyPaidCompulsorilyConvertibleDebenturesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DebtConversionConvertibleInstrumentAmount" id="sify_DebtConversionConvertibleInstrumentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SeriesFourCompulsorilyConvertibleDebenturesMember" id="sify_SeriesFourCompulsorilyConvertibleDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesFiveCompulsorilyConvertibleDebenturesMember" id="sify_SeriesFiveCompulsorilyConvertibleDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AmericanDepositarySharesMember" id="sify_AmericanDepositarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseInAuthorisedShareCapital" id="sify_IncreaseInAuthorisedShareCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AuthorizedShareCapital" id="sify_AuthorizedShareCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtConversionsConvertedInstrumentSharesIssued1" id="sify_DebtConversionsConvertedInstrumentSharesIssued1" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DebtConversionConvertedInstrumentSharePrice" id="sify_DebtConversionConvertedInstrumentSharePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DebtConversionsConvertedInstrumentAmount1" id="sify_DebtConversionsConvertedInstrumentAmount1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEmployeeBenefitsTable" id="sify_DisclosureOfEmployeeBenefitsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfEmployeeBenefitsLineItems" id="sify_DisclosureOfEmployeeBenefitsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="InterestExpenseNetDefinedBenefitLiability" id="sify_InterestExpenseNetDefinedBenefitLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="InterestIncomeNetDefinedBenefitLiability" id="sify_InterestIncomeNetDefinedBenefitLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanValueIncreaseDecreaseDomain" id="sify_DefinedBenefitPlanValueIncreaseDecreaseDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FundedStatusAmountOfLiability" id="sify_FundedStatusAmountOfLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ActuarialAssumptionsAbstract" id="sify_ActuarialAssumptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LaterThanTwoYearAndNotLaterThanFiveYearMember" id="sify_LaterThanTwoYearAndNotLaterThanFiveYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LaterThanSixYearAndNotLaterThanTenYearMember" id="sify_LaterThanSixYearAndNotLaterThanTenYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ExpectedBenefitPaymentsInNextFewYearsAbstract" id="sify_ExpectedBenefitPaymentsInNextFewYearsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfFundsManagedByInsurers" id="sify_PercentageOfFundsManagedByInsurers" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="NetDefinedBenefitLiabilityAxis" id="sify_NetDefinedBenefitLiabilityAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NetDefinedBenefitLiabilityDomain" id="sify_NetDefinedBenefitLiabilityDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RemeasurementsOfDefinedBenefitPlansMember" id="sify_RemeasurementsOfDefinedBenefitPlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ActuarialGainsLossesArisingFromVarianceInexperienceNetDefinedBenefitLiabilityAsset" id="sify_ActuarialGainsLossesArisingFromVarianceInexperienceNetDefinedBenefitLiabilityAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ReturnOnPlanAssetsExcludingAmountsRecognizedInNetInterestExpenseIncome" id="sify_ReturnOnPlanAssetsExcludingAmountsRecognizedInNetInterestExpenseIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ExpectedContributionsToPlanOnGratuityFundNetDefinedBenefitLiabilityAsset" id="sify_ExpectedContributionsToPlanOnGratuityFundNetDefinedBenefitLiabilityAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DeferredIncomeAndOtherLiabilities" id="sify_DeferredIncomeAndOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CurrentLoansForOtherWorkingCapitalFacilitiesAndCurrentPortionOfNonCurrentLoansForOtherWorkingFacilities" id="sify_CurrentLoansForOtherWorkingCapitalFacilitiesAndCurrentPortionOfNonCurrentLoansForOtherWorkingFacilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfBorrowingsTable" id="sify_DisclosureOfBorrowingsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TermBankLoansMember" id="sify_TermBankLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ExternalCommercialBorrowingEcbMember" id="sify_ExternalCommercialBorrowingEcbMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CumulativeNonConvertibleRedeemablePreferenceSharesIssuedFromPrintHouseIndiaPrivateLimitedMember" id="sify_CumulativeNonConvertibleRedeemablePreferenceSharesIssuedFromPrintHouseIndiaPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="KotakSpecialSituationsFundMember" id="sify_KotakSpecialSituationsFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsCollateralAxis" id="sify_BorrowingsCollateralAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsCollateralMember" id="sify_BorrowingsCollateralMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementNameAxis" id="sify_AgreementNameAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementNameMember" id="sify_AgreementNameMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ExternalCommercialBorrowingEcbFacilityAgreementMember" id="sify_ExternalCommercialBorrowingEcbFacilityAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecuritiesTypeAxis" id="sify_SecuritiesTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecuritiesTypeMember" id="sify_SecuritiesTypeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfBorrowingsLineItems" id="sify_DisclosureOfBorrowingsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalFacilitiesBearInterest" id="sify_WorkingCapitalFacilitiesBearInterest" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfPreferentialDividendPayableTillRedemption" id="sify_PercentageOfPreferentialDividendPayableTillRedemption" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="DebtConversionConvertedInstrumentInterestRate" id="sify_DebtConversionConvertedInstrumentInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalfacilities" id="sify_WorkingCapitalfacilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="MaximumAmountOfSecuritiesIssuable" id="sify_MaximumAmountOfSecuritiesIssuable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmountToBeTransferredByWayOfAssignment" id="sify_AmountToBeTransferredByWayOfAssignment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RefinancingDebt" id="sify_RefinancingDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RevenueFromInstallationServices" id="sify_RevenueFromInstallationServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PersonalExpenses" id="sify_PersonalExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NetworkCosts" id="sify_NetworkCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CostOfHardwareOrSoftware" id="sify_CostOfHardwareOrSoftware" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PowerCosts" id="sify_PowerCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TotalAmountCostOfSales" id="sify_TotalAmountCostOfSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfSellingGeneralAndAdministrativeExpensesTable" id="sify_DisclosureOfSellingGeneralAndAdministrativeExpensesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeStatementLocationsAxis" id="sify_IncomeStatementLocationsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeStatementLocationsDomain" id="sify_IncomeStatementLocationsDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SellingGeneralAndAdministrativesExpensesMember" id="sify_SellingGeneralAndAdministrativesExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfSellingGeneralAndAdministrativeExpensesLineItems" id="sify_DisclosureOfSellingGeneralAndAdministrativeExpensesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeBenefitsExpenseAttributableToSellingGeneralAndAdministrativeExpenses" id="sify_EmployeeBenefitsExpenseAttributableToSellingGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AdministrativeAndOtherExpenses" id="sify_AdministrativeAndOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProvisionForDoubtfulDebts" id="sify_ProvisionForDoubtfulDebts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RentExpenses" id="sify_RentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EmployeeBenefitsExpenseAttributableToCostOfSold" id="sify_EmployeeBenefitsExpenseAttributableToCostOfSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EmployeeBenefitsExpenseAttributableToSellingAndMarketingExpenses" id="sify_EmployeeBenefitsExpenseAttributableToSellingAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PersonnelExpenseAttributableToSellingGeneralAndAdministrativeExpenses" id="sify_PersonnelExpenseAttributableToSellingGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AssociateStockOptionPlan2014Member" id="sify_AssociateStockOptionPlan2014Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsPlanOneMember" id="sify_OptionsPlanOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsPlanTwoMember" id="sify_OptionsPlanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsPlanThreeMember" id="sify_OptionsPlanThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OptionalPlanMember" id="sify_OptionalPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RestatedNumberOfOutstandingShareOption" id="sify_RestatedNumberOfOutstandingShareOption" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentsArrangement" id="sify_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentsArrangement" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="InterestExpensesOnLeaseObligations" id="sify_InterestExpensesOnLeaseObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfSegmentReportingTable" id="sify_DisclosureOfSegmentReportingTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TelecomServicesMember" id="sify_TelecomServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DatacenterServicesMember" id="sify_DatacenterServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TotalSegmentsMember" id="sify_TotalSegmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DigitalServiceMember" id="sify_DigitalServiceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfSegmentReportingLineItems" id="sify_DisclosureOfSegmentReportingLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IntersegmentRevenues" id="sify_IntersegmentRevenues" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IntersegmentExpenses" id="sify_IntersegmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProfitLossFromSegmentOperatingActivities" id="sify_ProfitLossFromSegmentOperatingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="UnallocatedExpensesAbstract" id="sify_UnallocatedExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SupportServiceUnitCosts" id="sify_SupportServiceUnitCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OneCustomerOfDataCenterAndItServicesMember" id="sify_OneCustomerOfDataCenterAndItServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="MoreThanMember" id="sify_MoreThanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfContingenciesTable" id="sify_DisclosureOfContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialStatementLocationAxis" id="sify_FinancialStatementLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialStatementLocationMember" id="sify_FinancialStatementLocationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ServiceTaxContingentLiabilityMember" id="sify_ServiceTaxContingentLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SalesTaxContingentLiabilityMember" id="sify_SalesTaxContingentLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="GoodsAndServiceTaxLiabilityMember" id="sify_GoodsAndServiceTaxLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OthersMember" id="sify_OthersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OnlineExaminationCaseMember" id="sify_OnlineExaminationCaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementAxis" id="sify_AgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementMember" id="sify_AgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PutOptionAgreementMember" id="sify_PutOptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfContingenciesLineItems" id="sify_DisclosureOfContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AllowancePaidToEmployees" id="sify_AllowancePaidToEmployees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyPaymentUnderProtest" id="sify_LossContingencyPaymentUnderProtest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DebtConversionConvertedInstrumentSharesIssuedValue" id="sify_DebtConversionConvertedInstrumentSharesIssuedValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PeriodForWhichTheContractWasAwarded" id="sify_PeriodForWhichTheContractWasAwarded" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NumberOfCandidatesForWhichExaminationWasConducted" id="sify_NumberOfCandidatesForWhichExaminationWasConducted" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NumberOfDistinctQuestionsForTheTest" id="sify_NumberOfDistinctQuestionsForTheTest" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="MaximumNumberOnDaysFromDateOfPutOptionNoticeDelivered" id="sify_MaximumNumberOnDaysFromDateOfPutOptionNoticeDelivered" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxReceivables" id="sify_IncomeTaxReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RajuVegesnaInfotechIndustriesPrivateLimitedMember" id="sify_RajuVegesnaInfotechIndustriesPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RamanandCoreInvestmentCompanyPrivateLimitedMember" id="sify_RamanandCoreInvestmentCompanyPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SifyTechnologiesSingaporePteLimitedMember" id="sify_SifyTechnologiesSingaporePteLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SifyTechnologiesNorthAmericaCorporationMember" id="sify_SifyTechnologiesNorthAmericaCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SifyDataAndManagedServicesLimitedMember" id="sify_SifyDataAndManagedServicesLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SifyInfinitSpacesLimitedMember" id="sify_SifyInfinitSpacesLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SifyDigitalServicesLimitedMember" id="sify_SifyDigitalServicesLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RajuVegesnaFoundationMember" id="sify_RajuVegesnaFoundationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SkvrSoftwareSolutionPrivateLimitedMember" id="sify_SkvrSoftwareSolutionPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SittingFeesPaid" id="sify_SittingFeesPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="KeyManagementPersonnelCompensationContributionsToDefinedContributionPlans" id="sify_KeyManagementPersonnelCompensationContributionsToDefinedContributionPlans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="Corporatesocialresponsibilitycontributionmaderelatedpartytransaction" id="sify_Corporatesocialresponsibilitycontributionmaderelatedpartytransaction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CumulativeNonconvertiblePreferenceSharesRelatedPartyTransactions" id="sify_CumulativeNonconvertiblePreferenceSharesRelatedPartyTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AdvanceLeaseRentalsAndRefundableDepositsMadeRelatedPartyTransactions" id="sify_AdvanceLeaseRentalsAndRefundableDepositsMadeRelatedPartyTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaeciplMember" id="sify_PaeciplMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IntercorporateDeposit" id="sify_IntercorporateDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DiscriptionOfNumberOfEquityIssuedForCorrespondingEquityHeldInAmalgamatedEntity" id="sify_DiscriptionOfNumberOfEquityIssuedForCorrespondingEquityHeldInAmalgamatedEntity" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="MsRajuVegesnaInfotechAndIndustriesPrivateLimitedMember" id="sify_MsRajuVegesnaInfotechAndIndustriesPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="MsRajuVegesnaDevelopersPrivateLimitedMember" id="sify_MsRajuVegesnaDevelopersPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="MsRadhikaVegesnaMember" id="sify_MsRadhikaVegesnaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseAgreementAxis" id="sify_LeaseAgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseAgreementMember" id="sify_LeaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RenewedLeaseAgreementMember" id="sify_RenewedLeaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AgreedMonthlyLeaseRent" id="sify_AgreedMonthlyLeaseRent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RefundableSecurityDepositPayment" id="sify_RefundableSecurityDepositPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="TermOfLeaseAgreement" id="sify_TermOfLeaseAgreement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" id="sify_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CompulsoryConvertibleDebentures" id="sify_CompulsoryConvertibleDebentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NonCumulativeCompulsoryConvertiblePreferenceShares" id="sify_NonCumulativeCompulsoryConvertiblePreferenceShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NonConvertibleDebtSecurities" id="sify_NonConvertibleDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CashAndCashEquivalentsIncludingOtherBankDepositsMember" id="sify_CashAndCashEquivalentsIncludingOtherBankDepositsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NominalAmountsOfHedgingInstrument" id="sify_NominalAmountsOfHedgingInstrument" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TrancheOneMember" id="sify_TrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TrancheTwoUndrawnMember" id="sify_TrancheTwoUndrawnMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="MaturityAnalysisForDerivativeFinancialInstrumentsTable" id="sify_MaturityAnalysisForDerivativeFinancialInstrumentsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="MaturityAnalysisForDerivativeFinancialInstrumentsLineItems" id="sify_MaturityAnalysisForDerivativeFinancialInstrumentsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialAssetsAtAmortisedCostAbstract" id="sify_FinancialAssetsAtAmortisedCostAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialLiabilitiesAtAmortisedCostAbstract" id="sify_FinancialLiabilitiesAtAmortisedCostAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="InterestExpensesOnBorrowingsFromBanksOthersAndOverdrafts" id="sify_InterestExpensesOnBorrowingsFromBanksOthersAndOverdrafts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfFinancialRiskManagementTable" id="sify_DisclosureOfFinancialRiskManagementTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedCashMember" id="sify_RestrictedCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OtherAssetMember" id="sify_OtherAssetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OtherReceivableMember" id="sify_OtherReceivableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OtherInvestmentMember" id="sify_OtherInvestmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfFinancialRiskManagementLineItems" id="sify_DisclosureOfFinancialRiskManagementLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NotLaterThanThreeSixtyFiveDaysMember" id="sify_NotLaterThanThreeSixtyFiveDaysMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LaterThanThreeSixtyFiveDaysMember" id="sify_LaterThanThreeSixtyFiveDaysMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ContractualCashFlowsMember" id="sify_ContractualCashFlowsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BankOverdraftseMember" id="sify_BankOverdraftseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SixPercentageofCompulsoryConvertibleDebenturesMember" id="sify_SixPercentageofCompulsoryConvertibleDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="EightPointNineFivePercentageOfNonConvertibleDebenturesMember" id="sify_EightPointNineFivePercentageOfNonConvertibleDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SixPercentageNonCumulativeCompulsoryConvertiblePreferenceSharesMember" id="sify_SixPercentageNonCumulativeCompulsoryConvertiblePreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OtherLiabilitieseMember" id="sify_OtherLiabilitieseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingFromBanksMember" id="sify_BorrowingFromBanksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TradeAndOtherPayablesMember" id="sify_TradeAndOtherPayablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ForeignCurrencyAxis" id="sify_ForeignCurrencyAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ForeignCurrencyDomain" id="sify_ForeignCurrencyDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentseMember" id="sify_CashAndCashEquivalentseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TradePayablesMember" id="sify_TradePayablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ForeignCurrencyLoanMember" id="sify_ForeignCurrencyLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NetBalanceSheetMember" id="sify_NetBalanceSheetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NetCreditExposure" id="sify_NetCreditExposure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SensitivityAnalysisExpectedUnrealizedGainOrLossOnOtherComprehensiveIncomeDueToChangeInMarketPrice" id="sify_SensitivityAnalysisExpectedUnrealizedGainOrLossOnOtherComprehensiveIncomeDueToChangeInMarketPrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SensitivityAnalysisExpectedUnrealizedGainOrLossOnProfitOrLossDueToChangeInMarketPrice" id="sify_SensitivityAnalysisExpectedUnrealizedGainOrLossOnProfitOrLossDueToChangeInMarketPrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FixedRateFinancialInstrumentsAbstract" id="sify_FixedRateFinancialInstrumentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VariableRateFinancialInstrumentsAbstract" id="sify_VariableRateFinancialInstrumentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SensitivityAnalysisChangesInEquity" id="sify_SensitivityAnalysisChangesInEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SensitivityAnalysisChangesInNetProfit" id="sify_SensitivityAnalysisChangesInNetProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ExposureToRiskAxis" id="sify_ExposureToRiskAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ExposureToRiskDomain" id="sify_ExposureToRiskDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfStrengtheningInValueOfDomesticCurrencyDueToExchange" id="sify_PercentageOfStrengtheningInValueOfDomesticCurrencyDueToExchange" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="PercentageOfWeakeningInValueOfDomesticCurrency" id="sify_PercentageOfWeakeningInValueOfDomesticCurrency" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfIssuedCapitalExplanatoryTable" id="sify_DisclosureOfIssuedCapitalExplanatoryTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PrivatePlacementsMember" id="sify_PrivatePlacementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosuresOfIssuedCapitalExplanatoryLineItems" id="sify_DisclosuresOfIssuedCapitalExplanatoryLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuedUnderPrivatePlacement" id="sify_StockIssuedDuringPeriodSharesIssuedUnderPrivatePlacement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuedForPrivatePlacement" id="sify_StockIssuedDuringPeriodValueIssuedForPrivatePlacement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockAllotedDuringPeriodSharesIssuedUnderPrivatePlacement" id="sify_StockAllotedDuringPeriodSharesIssuedUnderPrivatePlacement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PaidUpValuePerShare" id="sify_PaidUpValuePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCorporateSocialResponsibilityCsrExpenditureTable" id="sify_DisclosureOfCorporateSocialResponsibilityCsrExpenditureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SriVenkateswaraInstituteOfResearchAndRehabilitationForTheDisabledTrustDwarakhaTirumalaMember" id="sify_SriVenkateswaraInstituteOfResearchAndRehabilitationForTheDisabledTrustDwarakhaTirumalaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VoluntaryHealthServicesHospitalTaramaniMember" id="sify_VoluntaryHealthServicesHospitalTaramaniMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SriVedaParipalanaSabhaMember" id="sify_SriVedaParipalanaSabhaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ShreeAnandCharitableTrustMumbaiMember" id="sify_ShreeAnandCharitableTrustMumbaiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PragnaBharathiMember" id="sify_PragnaBharathiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SriHanumanManiEducationCultureTrustMember" id="sify_SriHanumanManiEducationCultureTrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCorporateSocialResponsibilityCsrExpenditureLineItems" id="sify_DisclosureOfCorporateSocialResponsibilityCsrExpenditureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ExpensesSpentCorporateSocialResponsibility" id="sify_ExpensesSpentCorporateSocialResponsibility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ExpectedExpensesToBeSpentCorporateSocialResponsibility" id="sify_ExpectedExpensesToBeSpentCorporateSocialResponsibility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OtherIncomeIncludingExchangeGainLoss" id="sify_OtherIncomeIncludingExchangeGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TotalEarningsBeforeInterestTaxDepreciationAndAmortisation" id="sify_TotalEarningsBeforeInterestTaxDepreciationAndAmortisation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyArbitrationAwardSoughtValue" id="sify_LossContingencyArbitrationAwardSoughtValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyArbitrationAwardSoughtInterestRate" id="sify_LossContingencyArbitrationAwardSoughtInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="LitigationSettlementAmountAwarded" id="sify_LitigationSettlementAmountAwarded" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BasisPointIncreaseInInterestRate" id="sify_BasisPointIncreaseInInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="BasisPointDecreaseInInterestRate" id="sify_BasisPointDecreaseInInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="MumbaiMember" id="sify_MumbaiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NoidaMember" id="sify_NoidaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ChennaiMember" id="sify_ChennaiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BengaluruMember" id="sify_BengaluruMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="HyderabadMember" id="sify_HyderabadMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfMaintainableDataCenters" id="sify_NumberOfMaintainableDataCenters" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="NumberOfGeographicSegments" id="sify_NumberOfGeographicSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="KolkataMember" id="sify_KolkataMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfOnlineExaminationConducted" id="sify_NumberOfOnlineExaminationConducted" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="AdditionalSupplementaryChargesheetFiled" id="sify_AdditionalSupplementaryChargesheetFiled" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="NonCumulativeCompulsorilyConvertiblePreferenceSharesIssuedFromPrintHouseIndiaPrivateLimitedMember" id="sify_NonCumulativeCompulsorilyConvertiblePreferenceSharesIssuedFromPrintHouseIndiaPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentNonfinancialAssetsAbstract" id="sify_DisclosureOfOtherNoncurrentNonfinancialAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentNonfinancialAssetsTextBlock" id="sify_DisclosureOfOtherNoncurrentNonfinancialAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentNonfinancialAssetsTableTextBlock" id="sify_DisclosureOfOtherNoncurrentNonfinancialAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DeferredContractCostsMember" id="sify_DeferredContractCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalAdvancesMember" id="sify_CapitalAdvancesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentNonfinancialAssetsLineItems" id="sify_DisclosureOfOtherNoncurrentNonfinancialAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentNonfinancialAssetsTable" id="sify_DisclosureOfOtherNoncurrentNonfinancialAssetsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherNoncurrentFinancialAssetsTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherNoncurrentFinancialAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherDepositsNoncurrentFinancialAssetsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherDepositsNoncurrentFinancialAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutFairValueOfInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutFairValueOfInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="SecurityDepositsNoncurrent" id="sify_SecurityDepositsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="InterestAccruedOnInvestmentsNoncurrent" id="sify_InterestAccruedOnInvestmentsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BankDepositsNoncurrent" id="sify_BankDepositsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="NoncurrentDepositsAssets" id="sify_NoncurrentDepositsAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfOtherNoncurrentFinancialAssetsTable" id="sify_DisclosureOfOtherNoncurrentFinancialAssetsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfCurrentTaxAssetsNoncurrentAbstract" id="sify_DisclosureOfCurrentTaxAssetsNoncurrentAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCurrentTaxAssetsNoncurrentTextBlock" id="sify_DisclosureOfDetailedInformationAboutCurrentTaxAssetsNoncurrentTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherNoncurrentFinancialLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherNoncurrentFinancialLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCurrentTaxAssetsNoncurrentTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutCurrentTaxAssetsNoncurrentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCurrentTaxLiabilitiesTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutCurrentTaxLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherCurrentFinancialAssetsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherCurrentFinancialAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="SecurityDepositsCurrent" id="sify_SecurityDepositsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="InterestAccruedOnInvestmentsCurrent" id="sify_InterestAccruedOnInvestmentsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherNoncurrentFinancialLiabilitiesTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherNoncurrentFinancialLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AdvanceTaxAndTaxDeductedAtSourceNetOfProvisionForTax" id="sify_AdvanceTaxAndTaxDeductedAtSourceNetOfProvisionForTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ProvisionForTaxNetOfAdvanceTaxAndTaxDedcutedAtSource" id="sify_ProvisionForTaxNetOfAdvanceTaxAndTaxDedcutedAtSource" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CurrentSupplierFinanceAarrangementsLiabilities" id="sify_CurrentSupplierFinanceAarrangementsLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CurrentGratuityPayable" id="sify_CurrentGratuityPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CurrentCompensatedAbsences" id="sify_CurrentCompensatedAbsences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NoncurrentGratuityPayable" id="sify_NoncurrentGratuityPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NoncurrentCompensatedAbsences" id="sify_NoncurrentCompensatedAbsences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherCurrentFinancialLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherCurrentFinancialLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherCurrentFinancialLiabilitiesTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherCurrentFinancialLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="CurrentCapitalCreditors" id="sify_CurrentCapitalCreditors" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CurrentInterestAccruedButNotDueOnBorrowings" id="sify_CurrentInterestAccruedButNotDueOnBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OtherFinancialAssetsMember" id="sify_OtherFinancialAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="MiscellaneousOtherCurrentFinancialLiabilities" id="sify_MiscellaneousOtherCurrentFinancialLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OtherFinancialLiabilitiesMember" id="sify_OtherFinancialLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RepaymentsToPrincipalLiabilitiesArisingFromFinancingActivities" id="sify_RepaymentsToPrincipalLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RepaymentsToInterestLiabilitiesArisingFromFinancingActivities" id="sify_RepaymentsToInterestLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughAdditionsNetOfDeletionsLiabilitiesArisingFromFinancingActivities" id="sify_IncreaseDecreaseThroughAdditionsNetOfDeletionsLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughInterestLiabilitiesArisingFromFinancingActivities" id="sify_IncreaseDecreaseThroughInterestLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsOfInterestOnLeaseLiabilitiesClassifiedAsFinancingActivities" id="sify_PaymentsOfInterestOnLeaseLiabilitiesClassifiedAsFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" id="sify_CurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="NoncurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" id="sify_NoncurrentAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="MurliEneryPrivateLimitedMember" id="sify_MurliEneryPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ProvisionForInvestment" id="sify_ProvisionForInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SatyaSravanthiAgrofarmPrivateLimitedMember" id="sify_SatyaSravanthiAgrofarmPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AnanthaKotiRajuDevelopersPrivateLimitedMember" id="sify_AnanthaKotiRajuDevelopersPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VALSDevelopersPrivateLimitedMember" id="sify_VALSDevelopersPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="KKAARFarmsAndDevelopersPrivateLimitedMember" id="sify_KKAARFarmsAndDevelopersPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RajuVegesnaPropertiesIndiaPrivateLimitedMember" id="sify_RajuVegesnaPropertiesIndiaPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VARAgrotechPrivateLimitedMember" id="sify_VARAgrotechPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VillageInnsIndiaPrivateLimitedMember" id="sify_VillageInnsIndiaPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RajuVegesnaDevelopersPrivateLimitedMember" id="sify_RajuVegesnaDevelopersPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VRRSheltersPrivateLimitedMember" id="sify_VRRSheltersPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AeroxConstructionsMember" id="sify_AeroxConstructionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IntangibleAssetsCarryingAmountOfAssetsRetiredFromActiveUse" id="sify_IntangibleAssetsCarryingAmountOfAssetsRetiredFromActiveUse" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ImpairmentProvisionOnInvestment" id="sify_ImpairmentProvisionOnInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SupplierFinanceArrangements" id="sify_SupplierFinanceArrangements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SupplierFinanceArrangementsMember" id="sify_SupplierFinanceArrangementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalFacilityMember" id="sify_WorkingCapitalFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BuyersCreditFacilitiesMember" id="sify_BuyersCreditFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SISLEmployeeStockOptionPlan2025Member" id="sify_SISLEmployeeStockOptionPlan2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LoanFromNBFCMember" id="sify_LoanFromNBFCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LoansFromBanksMember" id="sify_LoansFromBanksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityCollateral1Member" id="sify_SecurityCollateral1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityCollateral2Member" id="sify_SecurityCollateral2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityCollateral3Member" id="sify_SecurityCollateral3Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityCollateral4Member" id="sify_SecurityCollateral4Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityCollateral5Member" id="sify_SecurityCollateral5Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityCollateral6Member" id="sify_SecurityCollateral6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DepartmentOfTelecommunicationsMember" id="sify_DepartmentOfTelecommunicationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeesProvidentFundOrganisationMember" id="sify_EmployeesProvidentFundOrganisationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DirectorateGeneralOfGoodsAndServicesTaxIntelligenceMember" id="sify_DirectorateGeneralOfGoodsAndServicesTaxIntelligenceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="StateGovernmentOfAndhraPradeshMember" id="sify_StateGovernmentOfAndhraPradeshMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AdditionalCouponPercentageOfFaceValueOfDebentures" id="sify_AdditionalCouponPercentageOfFaceValueOfDebentures" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AdditionalCouponOfDebenturesPayableDays" id="sify_AdditionalCouponOfDebenturesPayableDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfWaiverAgreementTermination" id="sify_DescriptionOfWaiverAgreementTermination" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="BankGuaranteeInvokedAndEncashed" id="sify_BankGuaranteeInvokedAndEncashed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="BankGuaranteeReplenished" id="sify_BankGuaranteeReplenished" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AggregateProvidentFundContributionOnSpecialAllowancePaidClaimed" id="sify_AggregateProvidentFundContributionOnSpecialAllowancePaidClaimed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="TotalContendedServiceTax" id="sify_TotalContendedServiceTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmountPaidUnderProtestToContinueProceeding" id="sify_AmountPaidUnderProtestToContinueProceeding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AreaOfLandAllotted" id="sify_AreaOfLandAllotted" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="RemainingUnspentAmountCorporateSocialResponsibility" id="sify_RemainingUnspentAmountCorporateSocialResponsibility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="WorkingCapitalDemandLoanMember" id="sify_WorkingCapitalDemandLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan1Member" id="sify_WorkingCapitalDemandLoan1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan2Member" id="sify_WorkingCapitalDemandLoan2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan3Member" id="sify_WorkingCapitalDemandLoan3Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan4Member" id="sify_WorkingCapitalDemandLoan4Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan5Member" id="sify_WorkingCapitalDemandLoan5Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan6Member" id="sify_WorkingCapitalDemandLoan6Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan7Member" id="sify_WorkingCapitalDemandLoan7Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalDemandLoan8Member" id="sify_WorkingCapitalDemandLoan8Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfSupplierFinanceArrangementsTermsAndConditions" id="sify_DescriptionOfSupplierFinanceArrangementsTermsAndConditions" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfBorrowingAdditionalSecurityCollateral" id="sify_DescriptionOfBorrowingAdditionalSecurityCollateral" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfBorrowingPurpose" id="sify_DescriptionOfBorrowingPurpose" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PayableToMSMETredsMember" id="sify_PayableToMSMETredsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VendorBillDiscountingMember" id="sify_VendorBillDiscountingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialLiabilitiesAdditions" id="sify_FinancialLiabilitiesAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FinancialLiabilitiesPayments" id="sify_FinancialLiabilitiesPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NonConvertibleDebenturesMember" id="sify_NonConvertibleDebenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ForeignExchangeRate" id="sify_ForeignExchangeRate" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="DescriptionOfBorrowingSecurityCollateral" id="sify_DescriptionOfBorrowingSecurityCollateral" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInSharesIssuedOnExerciseOfStockOptions" id="sify_IncreaseDecreaseInSharesIssuedOnExerciseOfStockOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ExistingAndEligibleShareholdersMember" id="sify_ExistingAndEligibleShareholdersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NoncurrentPrepaymentsMember" id="sify_NoncurrentPrepaymentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NoncurrentReceivablesFromTaxesOtherThanIncomeTaxMember" id="sify_NoncurrentReceivablesFromTaxesOtherThanIncomeTaxMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentFinancialLiabilitiesTable" id="sify_DisclosureOfOtherNoncurrentFinancialLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityDepositFinancialLiabilitiesMember" id="sify_SecurityDepositFinancialLiabilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentFinancialLiabilitiesLineItems" id="sify_DisclosureOfOtherNoncurrentFinancialLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RevenueFromVoiceServicesMember" id="sify_RevenueFromVoiceServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RevenueFromOthersMember" id="sify_RevenueFromOthersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RevenueNotAttributableToUnifiedLicenseMember" id="sify_RevenueNotAttributableToUnifiedLicenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CurrentOtherShortTermBorrowings" id="sify_CurrentOtherShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutBeakupOfBorrowingsFromOthersTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutBeakupOfBorrowingsFromOthersTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="OtherShortTermBorrowingsMember" id="sify_OtherShortTermBorrowingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherCurrentFinancialLiabilitiesTable" id="sify_DisclosureOfOtherCurrentFinancialLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CreditCardDuesMember" id="sify_CreditCardDuesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="UnwindingOfInterestMember" id="sify_UnwindingOfInterestMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherCurrentFinancialLiabilitiesLineItems" id="sify_DisclosureOfOtherCurrentFinancialLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfWaiverCumAmendmentAgreement" id="sify_DescriptionOfWaiverCumAmendmentAgreement" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfWaiverCumAmendmentAgreementTermination" id="sify_DescriptionOfWaiverCumAmendmentAgreementTermination" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PreConversionShareOfShareCapitalAndOtherEquity" id="sify_PreConversionShareOfShareCapitalAndOtherEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ShareCapitalOnConversion" id="sify_ShareCapitalOnConversion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OtherEquityOnConversion" id="sify_OtherEquityOnConversion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PostConversionShareOfShareCapitalAndOtherEquity" id="sify_PostConversionShareOfShareCapitalAndOtherEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PostConversionShareOfProfits" id="sify_PostConversionShareOfProfits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutCapitalManagementTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutCapitalManagementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NetDebtToEquityRatio" id="sify_NetDebtToEquityRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherCurrentNonfinancialAssetsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherCurrentNonfinancialAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodAbstract" id="sify_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutUncalledCapitalCommitmentsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutUncalledCapitalCommitmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodLineItems" id="sify_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NetraRenewableEnergyPrivateLimitedMember" id="sify_NetraRenewableEnergyPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RadianceKASunbrightTwoPrivateLimitedMember" id="sify_RadianceKASunbrightTwoPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsForIncomeFromLeaseTermination" id="sify_AdjustmentsForIncomeFromLeaseTermination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentNonFinancialLiabilitiesAbstract" id="sify_DisclosureOfOtherNoncurrentNonFinancialLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherNoncurrentNonFinancialLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherNoncurrentNonFinancialLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherNoncurrentNonFinancialLiabilitiesTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherNoncurrentNonFinancialLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesTextBlock" id="sify_DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="CurrentTradeReceivablesGross" id="sify_CurrentTradeReceivablesGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="TowardsPowerPurchaseAgreementsMember" id="sify_TowardsPowerPurchaseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TowardsOthersMember" id="sify_TowardsOthersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="UnallocatedAssetsMember" id="sify_UnallocatedAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalExpenditure" id="sify_CapitalExpenditure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutSegmentAssetsAndLiabilitiesTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutSegmentAssetsAndLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="TaxLitigationPurposesMember" id="sify_TaxLitigationPurposesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SecurityDepositStaffSelectionCommissionMember" id="sify_SecurityDepositStaffSelectionCommissionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="VBDRelatedTransactionMember" id="sify_VBDRelatedTransactionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NonFundBasedLimitsMember" id="sify_NonFundBasedLimitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NewCurrentAccountMember" id="sify_NewCurrentAccountMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NewOkhlaIndustrialDevelopmentAuthorityForRestorationOfIndustrialPlotMember" id="sify_NewOkhlaIndustrialDevelopmentAuthorityForRestorationOfIndustrialPlotMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TowardsBorrowingsBankGuaranteesAndLetterOfCreditMember" id="sify_TowardsBorrowingsBankGuaranteesAndLetterOfCreditMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOtherNoncurrentFinancialAssetsLineItems" id="sify_DisclosureOfOtherNoncurrentFinancialAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RadhikaVegesnaMember" id="sify_RadhikaVegesnaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RajuVegesnaInfotechAndIndustriesPrivateLimitedMember" id="sify_RajuVegesnaInfotechAndIndustriesPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ElectricityUnderPhysicalPowerPurchaseAgreementMember" id="sify_ElectricityUnderPhysicalPowerPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FairValuedSecurityDepositAmount" id="sify_FairValuedSecurityDepositAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="YearOneMember" id="sify_YearOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="YearTwoToFiveMember" id="sify_YearTwoToFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="YearSixToTenMember" id="sify_YearSixToTenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AfterYearTenMember" id="sify_AfterYearTenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="EstimatedFutureCashFlowsFromUnrecognizedContractualCommitments" id="sify_EstimatedFutureCashFlowsFromUnrecognizedContractualCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutUnrecognizedContractualCommitmentsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutUnrecognizedContractualCommitmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfMaturityAnalysisForNonderivativeFinancialAssetsAbstract" id="sify_DisclosureOfMaturityAnalysisForNonderivativeFinancialAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="CurrentCapitalCreditorsAdvances" id="sify_CurrentCapitalCreditorsAdvances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CreditCardLimit" id="sify_CreditCardLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NonderivativeFinancialAssetsUndiscountedCashFlows" id="sify_NonderivativeFinancialAssetsUndiscountedCashFlows" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CreditCardConvenienceFeePercentage" id="sify_CreditCardConvenienceFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="CreditCardCreditPeriod" id="sify_CreditCardCreditPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="CreditCardPenalChangesPercentage" id="sify_CreditCardPenalChangesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutMaturityAnalysisForNonderivativeFinancialAssetsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutMaturityAnalysisForNonderivativeFinancialAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfAccountingPolicyForForeignCurrencyTranslationReserveTextBlock" id="sify_DescriptionOfAccountingPolicyForForeignCurrencyTranslationReserveTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutReconciliationOfAdditionsTableTextBlock" id="sify_DisclosureOfDetailedInformationAboutReconciliationOfAdditionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAbouAmountsRecognisedInProfitOrLossTableTextBlock" id="sify_DisclosureOfDetailedInformationAbouAmountsRecognisedInProfitOrLossTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PatelAutoEngineeringCompanyIndiaPrivateLimitedMember" id="sify_PatelAutoEngineeringCompanyIndiaPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PrintHouseIndiaPvtLtdMember" id="sify_PrintHouseIndiaPvtLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseAgreementsEscalationRate" id="sify_LeaseAgreementsEscalationRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="LeaseAgreementsEscalationIntervalsPeriod" id="sify_LeaseAgreementsEscalationIntervalsPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="LeaseTerm" id="sify_LeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NoncashExpeseAbstract" id="sify_NoncashExpeseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OutsourcedManpowerCosts" id="sify_OutsourcedManpowerCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseInProvisionForGratuityAndRemeasurementOfLeaveEncashment" id="sify_IncreaseInProvisionForGratuityAndRemeasurementOfLeaveEncashment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NonfundBasedRevolvingCreditFacilitiesMember" id="sify_NonfundBasedRevolvingCreditFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsFromBanksAndOthers" id="sify_BorrowingsFromBanksAndOthers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="IRUAndDepositDefermentUnderIFRS9" id="sify_IRUAndDepositDefermentUnderIFRS9" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentsAndFixedDepositsLienMarkedTowardsTermLoans" id="sify_CashAndCashEquivalentsAndFixedDepositsLienMarkedTowardsTermLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
</xsd:schema>
