Late payment surcharge from customers - Schedule of Late payment surcharge from customers (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2025
INR (₨)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
INR (₨)
|
Mar. 31, 2023
INR (₨)
|
|
| Disclosure Of Late Payment Surcharge From Customers [Line Items] | ||||
| Late payment surcharge from customers (refer Note 34(i)) | ₨ 7 | $ 0 | ₨ 1,451 | ₨ 1,134 |
| AP Entities | ||||
| Disclosure Of Late Payment Surcharge From Customers [Line Items] | ||||
| Late payment surcharge from customers (refer Note 34(i)) | ₨ 7 | $ 0 | ₨ 1,451 | ₨ 1,134 |