v3.26.1
Cash and cash equivalents (Details)
₨ in Millions, $ in Millions
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
INR (₨)
[1]
Mar. 31, 2023
INR (₨)
Cash and Cash Equivalents [Abstract]            
Cash on hand ₨ 1   ₨ 1      
Balances with banks 14,249   12,142      
Term deposits with banks (original maturities less than 3 months) 1,118   2,511      
Cash and cash equivalents in the statement of financial position 15,368 $ 164 14,654      
Bank overdrafts used for cash management purposes 0   61      
Cash and cash equivalents in the statement of cash flows 15,368 [1] $ 164 [1] 14,593 [1] $ 156 ₨ 7,107 ₨ 5,779
Balance in unclaimed dividend account 73   80      
Other restricted cash balances 296   464      
Total restricted cash balances ₨ 369   ₨ 544      
[1] Adjusted for bank overdraft of Rs.61 for the year ended March 31, 2025.