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  <xs:element id="fhlbi_NonCallableMember" abstract="true" name="NonCallableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_CallableMember" abstract="true" name="CallableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_SubclassB1Member" abstract="true" name="SubclassB1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_SubclassB2Member" abstract="true" name="SubclassB2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_MandatorilyRedeemableCapitalStockRollForward" abstract="true" name="MandatorilyRedeemableCapitalStockRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="fhlbi_MandatorilyRedeemableCapitalStockAbstract" abstract="true" name="MandatorilyRedeemableCapitalStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="fhlbi_NumberofFinanceAgencyRegulatoryCapitalRequirements" abstract="false" name="NumberofFinanceAgencyRegulatoryCapitalRequirements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="fhlbi_RegulatoryCapitalRatioRequired" abstract="false" name="RegulatoryCapitalRatioRequired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fhlbi_LeverageRatioRequired" abstract="false" name="LeverageRatioRequired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fhlbi_AccumulatedOtherComprehensiveIncomeLossBeforeTaxRollForward" abstract="true" name="AccumulatedOtherComprehensiveIncomeLossBeforeTaxRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="fhlbi_ConsolidatedObligationBondsMember" abstract="true" name="ConsolidatedObligationBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_ConsolidatedObligationDiscountNotesMember" abstract="true" name="ConsolidatedObligationDiscountNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_InterestbearingDepositsFairValueDisclosure" abstract="false" name="InterestbearingDepositsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_SecuritiesPurchasedUnderAgreementsToResellFairValueDisclosure" abstract="false" name="SecuritiesPurchasedUnderAgreementsToResellFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_FederalFundsSoldFairValueDisclosure" abstract="false" name="FederalFundsSoldFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_FederalHomeLoanBankAdvancesFairValueDisclosure" abstract="false" name="FederalHomeLoanBankAdvancesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_GrantorTrustAssetsIncludedInOtherAssetsFairValueDisclosure" abstract="false" name="GrantorTrustAssetsIncludedInOtherAssetsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_StandbyLettersOfCreditIssuanceCommitmentsMember" abstract="true" name="StandbyLettersOfCreditIssuanceCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fhlbi_FairValueDisclosureOffBalanceSheetRisksFaceAmountExpiringWithinOneYear" abstract="false" name="FairValueDisclosureOffBalanceSheetRisksFaceAmountExpiringWithinOneYear" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_FairValueDisclosureOffBalanceSheetRisksFaceAmountExpiringAfterOneYear" abstract="false" name="FairValueDisclosureOffBalanceSheetRisksFaceAmountExpiringAfterOneYear" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_NetCapitalStockIssuancesToDirectorsFinancialInstitutions" abstract="false" name="NetCapitalStockIssuancesToDirectorsFinancialInstitutions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_NetAdvancestoDirectorsFinancialInstitutions" abstract="false" name="NetAdvancestoDirectorsFinancialInstitutions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_MortgageLoansPurchasedfromDirectorsFinancialInstitutions" abstract="false" name="MortgageLoansPurchasedfromDirectorsFinancialInstitutions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_CapitalStockValueIncludingMandatorilyRedeemableStock" abstract="false" name="CapitalStockValueIncludingMandatorilyRedeemableStock" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fhlbi_CapitalStockValueIncludingMandatorilyRedeemableStockPercent" abstract="false" name="CapitalStockValueIncludingMandatorilyRedeemableStockPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fhlbi_FederalHomeLoanBankAdvancesPercentOfPrincipal" abstract="false" name="FederalHomeLoanBankAdvancesPercentOfPrincipal" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
