Current tax assets, non-current (Details) ₨ in Millions, $ in Millions |
Mar. 31, 2026
INR (₨)
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
INR (₨)
|
|---|---|---|---|
| Current tax assets, non-current [abstract] | |||
| Advance tax and tax deducted at source (net of provision for tax) | ₨ 3,143 | ₨ 3,106 | |
| Current tax assets, non-current (net) | ₨ 3,143 | $ 33 | ₨ 3,106 |