Employee benefits (Details Textual) - INR (₨) ₨ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2027 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Employee benefits | ||||
| Expected Contributions to plan on gratuity fund, net defined benefit liability asset | ₨ 102 | |||
| Contributions to plan, net defined benefit liability (asset) | ₨ 286 | ₨ 275 | ₨ 244 | |
| Contributions to plan by employer, net defined benefit liability (asset) | ₨ 19 | ₨ 19 | ||