v3.26.1
Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2024
INR (₨)
Cash and cash equivalents [abstract]        
Cash and bank balances ₨ 96,145   ₨ 74,456 ₨ 60,648
Demand deposits with banks [1] 9,410   47,518 36,305
Cash and cash equivalents ₨ 105,555 $ 1,125 ₨ 121,974 ₨ 96,953
[1] These deposits can be withdrawn by the Company at any time without prior notice and without any penalty on the principal.