Other Income - Summary of Other Income (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2025
INR (₨)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
INR (₨)
|
Mar. 31, 2023
INR (₨)
|
|
| Government grants other income | ||||
| generation based incentive | ₨ 1,395 | $ 16 | ₨ 1,911 | ₨ 1,990 |
| viability gap funding | 11 | 0 | 11 | 11 |
| Compensation for loss of revenue | 294 | 3 | 221 | 806 |
| Gain on sale of property, plant and equipment | 4 | 0 | 1 | 5 |
| Insurance claim | 907 | 11 | 758 | 470 |
| Gain on disposal of subsidiaries (net) (refer Note 36) | 3,088 | 36 | 3,659 | |
| Excess provisions written back | 89 | 707 | ||
| Miscellaneous income | 581 | 7 | 569 | 478 |
| Fair value change of mutual fund (including realised gain) | 103 | 1 | 90 | 114 |
| Total | ₨ 6,383 | $ 75 | ₨ 7,309 | ₨ 4,581 |