Consolidated Statement of Changes In Equity ₨ in Millions, $ in Millions |
INR (₨) |
USD ($) |
Subsidiaries
INR (₨)
|
Issued capital
INR (₨)
|
Issued capital
USD ($)
|
Share premium
INR (₨)
|
Share premium
USD ($)
|
Hedge reserve
INR (₨)
|
Hedge reserve
USD ($)
|
Share based payment reserve
INR (₨)
|
Share based payment reserve
USD ($)
|
Retained earnings / (losses)
INR (₨)
|
Retained earnings / (losses)
USD ($)
|
Capital reserve
INR (₨)
|
Capital reserve
USD ($)
|
Debenture redemption reserve
INR (₨)
|
Debenture redemption reserve
USD ($)
|
Foreign currency translation reserve
INR (₨)
|
Foreign currency translation reserve
USD ($)
|
Total
INR (₨)
|
Total
USD ($)
|
Non- controlling interests
INR (₨)
|
Non- controlling interests
USD ($)
|
Non- controlling interests
Subsidiaries
INR (₨)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning balance at Mar. 31, 2023 | ₨ 118,400 | ₨ 4,808 | ₨ 154,136 | ₨ (618) | ₨ 5,886 | ₨ (53,610) | ₨ (5,497) | ₨ 1,200 | ₨ 547 | ₨ 106,852 | ₨ 11,548 | |||||||||||||
| Profit for the year | 4,147 | 3,404 | 3,404 | 743 | ||||||||||||||||||||
| Other comprehensive income / (loss) for the year | (2,287) | (2,076) | (14) | (68) | (2,158) | (129) | ||||||||||||||||||
| Total comprehensive income for the year | 1,860 | (2,076) | 3,390 | (68) | 1,246 | 614 | ||||||||||||||||||
| Shares issued during the year | 2 | 0 | 17 | (15) | 2 | |||||||||||||||||||
| Share-based payment expense | 2,278 | 2,278 | 2,278 | |||||||||||||||||||||
| Equity component of debentures and shares issued by subsidiaries | 4,767 | 4,767 | ||||||||||||||||||||||
| Acquisition of interest by non-controlling interest in subsidiaries | 30 | 30 | (30) | |||||||||||||||||||||
| Acquisition of non-controlling interest | 15 | 252 | 252 | (237) | ||||||||||||||||||||
| Allocation of other equity to non controlling interest | (0) | 58 | (17) | 0 | (5) | 36 | (36) | |||||||||||||||||
| Amount transferred to the carrying amount of property, plant and equipment | 827 | 827 | 827 | |||||||||||||||||||||
| Transfer to / transfer from debenture redemption reserve (net) | 5 | (5) | ||||||||||||||||||||||
| Shares bought back, held as treasury stock | (4,926) | (4,926) | (4,926) | |||||||||||||||||||||
| Change in fair value of put option liability / derecognition of non-controlling interests | (1,526) | (1,380) | (1,380) | (146) | ||||||||||||||||||||
| Ending balance at Mar. 31, 2024 | 121,697 | 4,808 | 154,153 | (1,867) | 8,149 | (56,433) | (5,262) | 1,195 | 474 | 105,217 | 16,480 | |||||||||||||
| Profit for the year | 4,591 | 3,814 | 3,814 | 777 | ||||||||||||||||||||
| Other comprehensive income / (loss) for the year | 30 | (150) | 40 | 87 | (23) | 53 | ||||||||||||||||||
| Total comprehensive income for the year | 4,621 | (150) | 3,854 | 87 | 3,791 | 830 | ||||||||||||||||||
| Shares issued during the year | 0 | ₨ 1,829 | 0 | 51 | (51) | 0 | ₨ 1,829 | |||||||||||||||||
| Share-based payment expense | 2,402 | 2,402 | 2,402 | |||||||||||||||||||||
| Forfeiture of vested options | (103) | 103 | ||||||||||||||||||||||
| Acquisition of non-controlling interest | (429) | 425 | (429) | |||||||||||||||||||||
| Allocation of other equity to non controlling interest | (305) | 399 | (118) | 4 | (20) | 20 | ||||||||||||||||||
| Amount transferred to the carrying amount of property, plant and equipment | 1,427 | 1,427 | 1,427 | |||||||||||||||||||||
| Transfer to / transfer from debenture redemption reserve (net) | (759) | 759 | ||||||||||||||||||||||
| Change in fair value of put option liability / derecognition of non-controlling interests | (435) | (215) | (215) | (220) | ||||||||||||||||||||
| Ending balance at Mar. 31, 2025 | 131,112 | 4,808 | 154,204 | (590) | 10,397 | (53,755) | (4,863) | 1,836 | 565 | 112,602 | 18,510 | |||||||||||||
| Profit for the year | 10,385 | $ 111 | 9,841 | 9,841 | 544 | |||||||||||||||||||
| Other comprehensive income / (loss) for the year | (238) | (3) | ||||||||||||||||||||||
| Other comprehensive income / (loss) for the year | 190 | 1,160 | 32 | (1,069) | 123 | 67 | ||||||||||||||||||
| (Gain) recycled to profit & loss (refer Note 29) | (428) | (5) | (428) | (428) | ||||||||||||||||||||
| Total comprehensive income for the year | 10,147 | 108 | 1,160 | 9,873 | (1,497) | 9,536 | 611 | |||||||||||||||||
| Shares issued during the year | 542 | 489 | 0 | 1,161 | (619) | 542 | 489 | |||||||||||||||||
| Share-based payment expense | 1,779 | 1,779 | 1,779 | |||||||||||||||||||||
| Forfeiture of vested options | (328) | 328 | ||||||||||||||||||||||
| Acquisition of subsidiary | 100 | 100 | ||||||||||||||||||||||
| Disposal of subsidiary | (400) | (400) | ||||||||||||||||||||||
| Allocation of other equity to non controlling interest | (77) | 1 | (56) | (149) | (281) | 281 | ||||||||||||||||||
| Amount transferred to the carrying amount of property, plant and equipment | 513 | 513 | 513 | |||||||||||||||||||||
| Transfer to / transfer from debenture redemption reserve (net) | (759) | 759 | ||||||||||||||||||||||
| Dividend paid by Subsidiary | ₨ (613) | ₨ (613) | ||||||||||||||||||||||
| Change in fair value of put option liability / derecognition of non-controlling interests | 727 | 1,169 | 1,169 | (442) | ||||||||||||||||||||
| Ending balance at Mar. 31, 2026 | ₨ 144,396 | $ 1,538 | ₨ 4,808 | $ 51 | ₨ 155,365 | $ 1,656 | ₨ 1,083 | $ 12 | ₨ 11,229 | $ 120 | ₨ (43,221) | $ (461) | ₨ (4,862) | $ (52) | ₨ 2,539 | $ 27 | ₨ (1,081) | $ (12) | ₨ 125,860 | $ 1,340 | ₨ 18,536 | $ 198 |