Loans and borrowings (Details) ₨ in Millions, $ in Millions |
Mar. 31, 2026
INR (₨)
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
INR (₨)
|
|---|---|---|---|
| Disclosure of Short Term Borrowings [Line Items] | |||
| Current borrowings | ₨ 59,135 | $ 630 | ₨ 38,045 |
| Pre-shipment credit [Member] | |||
| Disclosure of Short Term Borrowings [Line Items] | |||
| Current borrowings | 19,600 | 32,855 | |
| Working capital borrowings | |||
| Disclosure of Short Term Borrowings [Line Items] | |||
| Current borrowings | 39,535 | 5,129 | |
| Bank overdraft [Member] | |||
| Disclosure of Short Term Borrowings [Line Items] | |||
| Current borrowings | ₨ 0 | ₨ 61 |