Employee benefits (Details 5) - INR (₨) ₨ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Reconciliation of changes in net assets available for benefits [abstract] | |||
| Fair value of plan assets at the beginning of the year | ₨ 399 | ₨ 357 | ₨ 271 |
| Interest income | 17 | 26 | 20 |
| Employer contributions | 115 | 53 | 86 |
| Benefits paid | (38) | (42) | (22) |
| Return on plan assets, excluding amount recognised in net interest expense | 10 | 5 | 2 |
| Fair value of plan assets at the end of the year | 503 | 399 | 357 |
| Actual return on plan assets | ₨ 27 | ₨ 30 | ₨ 22 |
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- Definition The amount of benefits paid or payable for retirement benefit plans. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in the fair value of reimbursement rights related to defined benefit obligation. [Refer: At fair value [member]; Reimbursement rights related to defined benefit obligation, at fair value] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of employer contributions to retirement benefit plans. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of interest income arising from defined benefit plans. [Refer: Interest income; Post-employment benefit expense in profit or loss, defined benefit plans] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [domain]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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