The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [domain]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
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-Paragraph 144
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The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [domain]; Defined benefit obligation, at present value; Actuarial assumptions [domain]]

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2024-01-01
-Paragraph 147
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Actuarial assumption of attrition rate description.

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Actuarial assumption of expected rates of salary increases description.

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Expected guaranteed interest rate.

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Expected rate of return on plan assets.

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Employee Benefits - Summary of Weighted-Average Assumptions (Details)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Net Periodic Benefit Cost
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	For domestic defined benefit plan in India, the market for high quality corporate bonds being not developed, the yield of government bonds is considered as the discount rate. For most of our overseas defined benefit plan, given that the market for high quality corporate bonds is not developed, the Government bond rate adjusted for corporate spreads is used.
Attrition rate	Attrition rate considered is the management’s estimate based on the past long-term trend of employee turnover in the Company. The tenure has been considered taking into account the past long-term trend of employees' average remaining service life which reflects the average estimated term of post-employment benefit obligation.
Net Periodic Benefit Cost \| Weighted Average
Disclosure Of Defined Benefit Plans [Line Items]
Weighted average rate of increase in compensation levels	The average rate of increase in compensation levels is determined by the Company, considering factors such as, the Company’s past compensation revision trends, inflation in respective markets and management’s estimate of future salary increases.
Gratuity
Disclosure Of Defined Benefit Plans [Line Items]
Weighted average duration of defined benefit obligation	5 years 8 months 12 days	5 years 9 months 18 days
Gratuity \| Benefit Obligations
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	6.50%	7.00%
Gratuity \| Benefit Obligations \| Weighted Average
Disclosure Of Defined Benefit Plans [Line Items]
Weighted average rate of increase in compensation levels	6.00%	6.00%
Gratuity \| Net Periodic Benefit Cost
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	7.00%	7.10%	6.50%
Gratuity \| Net Periodic Benefit Cost \| Weighted Average
Disclosure Of Defined Benefit Plans [Line Items]
Weighted average rate of increase in compensation levels	6.00%	6.00%	6.00%
Pension
Disclosure Of Defined Benefit Plans [Line Items]
Weighted average duration of defined benefit obligation	13 years	12 years
Pension \| Benefit Obligations \| Bottom of Range
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	0.90%	1.50%
Weighted average rate of increase in compensation levels	1.00%	1.00%
Pension \| Benefit Obligations \| Top of Range
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	3.70%	3.40%
Weighted average rate of increase in compensation levels	3.00%	3.00%
Pension \| Net Periodic Benefit Cost \| Bottom of Range
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	1.50%	1.80%	0.40%
Weighted average rate of increase in compensation levels	1.00%	1.00%	1.00%
Pension \| Net Periodic Benefit Cost \| Top of Range
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	3.40%	3.80%	1.70%
Weighted average rate of increase in compensation levels	3.00%	3.00%	3.00%
Provident Fund
Disclosure Of Defined Benefit Plans [Line Items]
Discount rate	6.50%	7.00%
Weighted average duration of defined benefit obligation	6 years	6 years
Expected rate of return on plan assets	8.00%	8.20%
Expected guaranteed interest rate	8.25%	8.25%