v3.26.1
Income taxes (Details 3) - INR (₨)
₨ in Millions
Mar. 31, 2026
Mar. 31, 2025
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]    
Deductible temporary differences, net ₨ 328 ₨ 235
Operating tax loss carry-forward 1,457 1,587
Unrecognized Deferred Tax Assets And Liabilities ₨ 1,785 ₨ 1,822