v3.25.2
Other expenses - Summary of Other Expense (Detail)
₨ in Millions, $ in Millions
12 Months Ended
Mar. 31, 2025
INR (₨)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
INR (₨)
Mar. 31, 2023
INR (₨)
Disclosure Of Detailed Information About Other Expenses [Abstract]        
Legal and professional fees ₨ 1,412 $ 17 ₨ 1,438 ₨ 2,066
Corporate social responsibility 311 4 240 147
Travelling and conveyance 444 5 520 595
Lease rent relating to short term leases 35 0 43 46
Director's commission 76 1 83 67
Rates and taxes 1,045 12 1,065 465
Insurance 997 12 1,153 1,226
Operation and maintenance 6,270 73 5,937 5,528
Repair and maintenance 157 2 243 177
Loss on sale /damage of property plant and equipment 18 0 18 7
Advertising and sales promotion 84 1 105 118
Security charges 605 7 542 441
Communication costs 235 3 247 167
Impairment of carbon credit 13 0 105 630
Impairment of inventory 37 0 149 32
Impairment allowances for financial assets     1,573 522
Warranty expenses 71 1    
Donation 428 5 490  
Liquidated damages 179 2 240 800
Miscellaneous expenses 366 4 642 601
Total ₨ 12,783 $ 150 ₨ 14,834 ₨ 13,636