v3.26.1
Employee benefits (Details 10)
₨ in Millions
Mar. 31, 2026
INR (₨)
Discount rate [member]  
Disclosure Of Employee Benefits [Line Items]  
Present Value of Defined Benefit Obligation, Increase by 100 bps ₨ 506
Present Value of Defined Benefit Obligation, Decrease by 100 bps 552
Salary escalation rate [member]  
Disclosure Of Employee Benefits [Line Items]  
Present Value of Defined Benefit Obligation, Increase by 100 bps 548
Present Value of Defined Benefit Obligation, Decrease by 100 bps ₨ 509