v3.26.1
Group information - Consolidated Statement of Profit or Loss and Other Comprehensive Income (Details)
₨ in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2024
INR (₨)
Disclosure of associates [line items]        
Revenue ₨ 132,196 $ 1,409 ₨ 97,063 ₨ 81,319
Other income 11,072 118 6,383 7,309
Expenses 136,638 1,455 99,014 88,234
Profit/(loss) for the year 10,385 111 4,591 4,147
Other comprehensive income / (loss) for the year, net of tax (238) (3) 30 (2,287)
Total comprehensive income for the year 10,147 108 4,621 1,860
Profit for the year attributable to:        
Non-controlling interests (pertains to subsidiaries not considered individually material to the Group) 544 6 777 743
Equity holders of the parent 9,841 105 3,814 3,404
Total comprehensive income / (loss) attributable to:        
Non-controlling interests (pertains to subsidiaries not considered individually material to the Group) 544 6 831 614
Equity holders of the parent 9,603 102 3,790 ₨ 1,246
RPPL        
Disclosure of associates [line items]        
Revenue 132,196 1,409 97,063  
Other income 18,356 196 12,135  
Expenses 137,874 1,469 102,623  
Profit/(loss) for the year 12,678 135 6,575  
Other comprehensive income / (loss) for the year, net of tax 1,610 17 (22)  
Total comprehensive income for the year 14,288 152 6,553  
Profit for the year attributable to:        
Non-controlling interests (pertains to subsidiaries not considered individually material to the Group) (237) (3) 408  
Equity holders of the parent 12,915 138 6,167  
Attributable to:        
Equity holders of the parent 12,141 129 5,798  
Non-controlling interests 774 8 369  
Total comprehensive income / (loss) attributable to:        
Non-controlling interests (pertains to subsidiaries not considered individually material to the Group) (237) (3) 378  
Equity holders of the parent 14,525 155 6,175  
Attributable to:        
Equity holders of the parent 13,655 146 5,743  
Non-controlling interests (including liability for put options with non-controlling interests) ₨ 870 $ 9 ₨ 432