| (Rs.in Million) |
| Particulars | Mar 2025 | Mar 2024 | Mar 2023 | Mar 2022 | Mar 2021 |
| INCOME : | | | | | |
| Operating Income | 457920.00 | 458430.00 | 456030.00 | 416220.00 | 396400.00 |
| Earning From Sale of Electrical Energy | | | | | |
| Less: Cash Discount | | | | | |
| Contracts Income | | | | | |
| Transmission EPC Business | 422990.00 | 428280.00 | 428410.00 | 395400.00 | 381600.00 |
| Wheeling & Transmission Charges recoverable | | | | | |
| Other Operational Income | 34940.00 | 30150.00 | 27630.00 | 20820.00 | 14800.00 |
| Less: Excise Duty | | | | | |
| Operating Income (Net) | 457920.00 | 458430.00 | 456030.00 | 416220.00 | 396400.00 |
| EXPENDITURE : | | | | | |
| Increase/Decrease in Stock | | | | | |
| Power Generation & Distribution Cost | 3410.00 | 3270.00 | 3130.00 | 2990.00 | 2670.00 |
| Cost of power purchased | 3320.00 | 3180.00 | 3020.00 | 2900.00 | 2590.00 |
| Cost of Fuel | | | | | |
| Power Project Expenses | 40.00 | 40.00 | 60.00 | 50.00 | 30.00 |
| Wheeling & Transmission Charges Payable | | | | | |
| Other power & fuel | 50.00 | 50.00 | 50.00 | 40.00 | 40.00 |
| Employee Cost | 26040.00 | 24340.00 | 25090.00 | 22440.00 | 21150.00 |
| Salaries, Wages & Bonus | 20340.00 | 19300.00 | 19430.00 | 17760.00 | 16520.00 |
| Contributions to EPF & PensionFunds | 2800.00 | 2400.00 | 3130.00 | 2270.00 | 2820.00 |
| Workmen and Staff Welfare Expenses | 3040.00 | 2760.00 | 2620.00 | 2510.00 | 1810.00 |
| Other Employees Cost | -130.00 | -120.00 | -100.00 | -100.00 | 0.00 |
| Operating Expenses | 17320.00 | 13890.00 | 12070.00 | 11790.00 | 10370.00 |
| Cost of Elastimold , Store & Spares Consumed | 30.00 | 40.00 | 50.00 | 50.00 | 50.00 |
| Processing Charges | | | | | |
| Sub Contract Charges | | | | | |
| Repairs and Maintenance | 10330.00 | 9280.00 | 8200.00 | 8300.00 | 7620.00 |
| Other Operating Expenses | 6960.00 | 4570.00 | 3820.00 | 3450.00 | 2700.00 |
| General and Administration Expenses | 11770.00 | 10640.00 | 9640.00 | 8380.00 | 7560.00 |
| Rent , Rates & Taxes | 1280.00 | 990.00 | 770.00 | 730.00 | 730.00 |
| Insurance | 980.00 | 1460.00 | 1430.00 | 1380.00 | 1190.00 |
| Printing and stationery | 70.00 | 80.00 | 70.00 | 60.00 | 50.00 |
| Professional and legal fees | 2140.00 | 1430.00 | 1220.00 | 990.00 | 960.00 |
| Other Administration | 7320.00 | 6690.00 | 6150.00 | 5230.00 | 4630.00 |
| Selling and Distribution Expenses | 540.00 | 150.00 | 190.00 | 110.00 | 80.00 |
| Freight outwards | | | | | |
| Sales Commissions and Incentives | | | | | |
| Advertisement & Sales Promotion | 520.00 | 130.00 | 170.00 | 90.00 | 70.00 |
| Handling and Clearing Charges | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Other Selling Expenses | 20.00 | 20.00 | 20.00 | 20.00 | 10.00 |
| Miscellaneous Expenses | 8210.00 | 7110.00 | 10930.00 | 4790.00 | 4640.00 |
| Bad debts /advances written off | | | | | |
| Provision for doubtful debts | 160.00 | 550.00 | 50.00 | 40.00 | 80.00 |
| Losson disposal of fixed assets(net) | 80.00 | 200.00 | 280.00 | 280.00 | 150.00 |
| Losson foreign exchange fluctuations | 1300.00 | 390.00 | 2930.00 | 70.00 | 610.00 |
| Losson sale of non-trade current investments | | | | | |
| Other Miscellaneous Expenses | 6670.00 | 5970.00 | 7670.00 | 4400.00 | 3800.00 |
| Less: Expenses Capitalised | | | | | |
| Total Expenditure | 67290.00 | 59410.00 | 61040.00 | 50500.00 | 46470.00 |
| Operating Profit (Excl OI) | 390630.00 | 399020.00 | 395000.00 | 365710.00 | 349930.00 |
| Other Income | 16690.00 | 10710.00 | 10030.00 | 10770.00 | 14070.00 |
| Interest Received | 7340.00 | 5550.00 | 3430.00 | 2800.00 | 1700.00 |
| Dividend Received | 690.00 | 790.00 | 1120.00 | 1600.00 | 90.00 |
| Profit on sale of Fixed Assets | 60.00 | 0.00 | 60.00 | 0.00 | 130.00 |
| Profits on sale of Investments | 2460.00 | | | | |
| Foreign Exchange Gains | | | | 0.00 | 2230.00 |
| Others | 3120.00 | 3230.00 | 5120.00 | 6240.00 | 9670.00 |
| Operating Profit | 407320.00 | 409730.00 | 405020.00 | 376480.00 | 364000.00 |
| Interest | 87000.00 | 87730.00 | 96340.00 | 80360.00 | 83580.00 |
| InterestonDebenture / Bonds | 49440.00 | 46000.00 | 51190.00 | 56200.00 | 60330.00 |
| Intereston Term Loan | 29950.00 | 37350.00 | 31450.00 | 20800.00 | 21050.00 |
| Intereston Fixed deposits | | | | | |
| Bank Charges etc | 3390.00 | 3670.00 | 3520.00 | 3330.00 | 5320.00 |
| Other Interest | 4210.00 | 710.00 | 10180.00 | 30.00 | -3130.00 |
| PBDT | 320320.00 | 322000.00 | 308690.00 | 296120.00 | 280420.00 |
| Depreciation | 129040.00 | 130950.00 | 133330.00 | 128720.00 | 120390.00 |
| Profit Before Taxation & Exceptional Items | 191280.00 | 191050.00 | 175350.00 | 167410.00 | 160030.00 |
| Exceptional Income / Expenses | 2760.00 | -5710.00 | 2490.00 | 27910.00 | -7170.00 |
| Profit Before Tax | 192940.00 | 185140.00 | 177020.00 | 196100.00 | 155010.00 |
| Provision for Tax | 37730.00 | 29410.00 | 22820.00 | 27860.00 | 34640.00 |
| Current Income Tax | 33620.00 | 33410.00 | 30180.00 | 33520.00 | 25650.00 |
| Deferred Tax | 4100.00 | -3970.00 | -6630.00 | -5280.00 | 9560.00 |
| Other taxes | 0.00 | -20.00 | -740.00 | -380.00 | -570.00 |
| Profit After Tax | 155210.00 | 155730.00 | 154200.00 | 168240.00 | 120360.00 |
| Extra items | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Minority Interest | | | | | |
| Share of Associate | | | | | |
| Other Consolidated Items | | | | | |
| Consolidated Net Profit | 155210.00 | 155730.00 | 154200.00 | 168240.00 | 120360.00 |
| Adjustments to PAT | | | | | |
| Profit Balance B/F | 21530.00 | 40430.00 | 41070.00 | 36670.00 | 34240.00 |
| Appropriations | 176740.00 | 196170.00 | 195260.00 | 204910.00 | 154600.00 |
| General Reserves | 60000.00 | 60000.00 | 80000.00 | 70000.00 | 60000.00 |
| Proposed Equity Dividend | | | | | |
| Corporate dividend tax | | | | | |
| Other Appropriation | 116740.00 | 136170.00 | 115260.00 | 134910.00 | 94600.00 |
| Equity Dividend % | 90.00 | 113.00 | 148.00 | 148.00 | 120.00 |
| Earnings Per Share | 17.00 | 17.00 | 22.00 | 24.00 | 23.00 |
| Adjusted EPS | 17.00 | 17.00 | 17.00 | 18.00 | 13.00 |