Right of use assets - (Details 3) - INR (₨) ₨ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Gross lease liabilities | ₨ 10,852 | ₨ 10,541 |
| Less than 1 year [Member] | ||
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Gross lease liabilities | 805 | 689 |
| One to five years | ||
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Gross lease liabilities | 2,318 | 2,379 |
| More than five years | ||
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Gross lease liabilities | ₨ 7,729 | ₨ 7,473 |