v3.26.1
Property, Plant and Equipment - Disclosure of Summary about Property, Plant and Equipment (Parenthetical) (Detail) 2
₨ in Millions
12 Months Ended
Mar. 31, 2026
INR (₨)
Disclosure of detailed information about property, plant and equipment [abstract]  
Capital advance ₨ 15
Capital work-in-progress ₨ 6