v3.26.1
Inventories - Additional Information (Details) - INR (₨)
₨ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Classes of current inventories [abstract]    
Changes in inventories recognized as expense ₨ 171 ₨ 195
Purchases of traded goods recognized as expense ₨ 5,755 ₨ 2,967