| (Rs.in Million) |
| Particulars | Mar 2025 | Mar 2024 | Mar 2023 | Mar 2022 | Mar 2021 |
| INCOME : | | | | | |
| Operating Income | 237670.00 | 166070.00 | 132930.00 | 112580.00 | 99260.00 |
| Earning From Sale of Electrical Energy | | | | | |
| Less: Cash Discount | | | | | |
| Contracts Income | | | | | |
| Transmission EPC Business | 169550.00 | 143300.00 | 121700.00 | 99960.00 | 88240.00 |
| Wheeling & Transmission Charges recoverable | | | | | |
| Other Operational Income | 68120.00 | 22770.00 | 11220.00 | 12610.00 | 11020.00 |
| Less: Excise Duty | | | | | |
| Operating Income (Net) | 237670.00 | 166070.00 | 132930.00 | 112580.00 | 99260.00 |
| EXPENDITURE : | | | | | |
| Increase/Decrease in Stock | | | | | |
| Power Generation & Distribution Cost | 81710.00 | 69820.00 | 64620.00 | 51440.00 | 41110.00 |
| Cost of power purchased | 69500.00 | 53690.00 | 45950.00 | 36000.00 | 26700.00 |
| Cost of Fuel | 6240.00 | 11190.00 | 13840.00 | 10660.00 | 9730.00 |
| Power Project Expenses | | | | | |
| Wheeling & Transmission Charges Payable | 5970.00 | 4940.00 | 4820.00 | 4780.00 | 4690.00 |
| Other power & fuel | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Employee Cost | 10330.00 | 9520.00 | 9870.00 | 8850.00 | 9310.00 |
| Salaries, Wages & Bonus | 8480.00 | 7530.00 | 7970.00 | 6640.00 | 7290.00 |
| Contributions to EPF & PensionFunds | 610.00 | 650.00 | 670.00 | 690.00 | 630.00 |
| Workmen and Staff Welfare Expenses | 720.00 | 850.00 | 870.00 | 1020.00 | 910.00 |
| Other Employees Cost | 520.00 | 480.00 | 350.00 | 500.00 | 480.00 |
| Operating Expenses | 55550.00 | 18500.00 | 5910.00 | 5570.00 | 5180.00 |
| Cost of Elastimold , Store & Spares Consumed | 2560.00 | 3320.00 | 590.00 | 610.00 | 580.00 |
| Processing Charges | | | | | |
| Sub Contract Charges | | | | | |
| Repairs and Maintenance | 5590.00 | 6760.00 | 5320.00 | 4960.00 | 4590.00 |
| Other Operating Expenses | 47400.00 | 8420.00 | 0.00 | 0.00 | 0.00 |
| General and Administration Expenses | 4470.00 | 4410.00 | 3820.00 | 3250.00 | 2910.00 |
| Rent , Rates & Taxes | 430.00 | 360.00 | 370.00 | 370.00 | 360.00 |
| Insurance | 220.00 | 230.00 | 250.00 | 160.00 | 280.00 |
| Printing and stationery | | | | | |
| Professional and legal fees | 2920.00 | 2950.00 | 2320.00 | 2000.00 | 1530.00 |
| Other Administration | 890.00 | 880.00 | 880.00 | 720.00 | 740.00 |
| Selling and Distribution Expenses | | | | | |
| Freight outwards | | | | | |
| Sales Commissions and Incentives | | | | | |
| Advertisement & Sales Promotion | | | | | |
| Handling and Clearing Charges | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Other Selling Expenses | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Miscellaneous Expenses | 14960.00 | 6710.00 | 3540.00 | 1410.00 | 1250.00 |
| Bad debts /advances written off | 170.00 | 170.00 | 150.00 | 180.00 | 270.00 |
| Provision for doubtful debts | | | 190.00 | | |
| Losson disposal of fixed assets(net) | | 0.00 | 0.00 | 0.00 | |
| Losson foreign exchange fluctuations | 10.00 | 0.00 | 0.00 | 10.00 | |
| Losson sale of non-trade current investments | | | | | |
| Other Miscellaneous Expenses | 14780.00 | 6530.00 | 3200.00 | 1210.00 | 980.00 |
| Less: Expenses Capitalised | | | | | |
| Total Expenditure | 167010.00 | 108960.00 | 87750.00 | 70510.00 | 59760.00 |
| Operating Profit (Excl OI) | 70670.00 | 57110.00 | 45180.00 | 42060.00 | 39500.00 |
| Other Income | 6790.00 | 6110.00 | 15830.00 | 12860.00 | 11150.00 |
| Interest Received | 4880.00 | 3870.00 | 4950.00 | 5090.00 | 4670.00 |
| Dividend Received | | | | | |
| Profit on sale of Fixed Assets | 40.00 | 40.00 | | | |
| Profits on sale of Investments | 1260.00 | 430.00 | 210.00 | 100.00 | 460.00 |
| Foreign Exchange Gains | | | | | |
| Others | 490.00 | 1690.00 | 10640.00 | 7090.00 | 6000.00 |
| Operating Profit | 77460.00 | 63220.00 | 61010.00 | 54930.00 | 50660.00 |
| Interest | 32590.00 | 27670.00 | 27810.00 | 23650.00 | 21170.00 |
| InterestonDebenture / Bonds | | | | | |
| Intereston Term Loan | 21770.00 | 16960.00 | 14150.00 | 12120.00 | 10830.00 |
| Intereston Fixed deposits | | | | | |
| Bank Charges etc | 1240.00 | 660.00 | 420.00 | 210.00 | 150.00 |
| Other Interest | 9580.00 | 10050.00 | 13240.00 | 11320.00 | 10180.00 |
| PBDT | 44870.00 | 35560.00 | 33190.00 | 31280.00 | 29490.00 |
| Depreciation | 19060.00 | 17760.00 | 16080.00 | 14270.00 | 13290.00 |
| Profit Before Taxation & Exceptional Items | 25810.00 | 17800.00 | 17120.00 | 17000.00 | 16200.00 |
| Exceptional Income / Expenses | -15060.00 | | | | |
| Profit Before Tax | 10750.00 | 17800.00 | 17120.00 | 17000.00 | 16200.00 |
| Provision for Tax | 1530.00 | 5840.00 | 4310.00 | 4650.00 | 3300.00 |
| Current Income Tax | 1950.00 | 2980.00 | 2610.00 | 2440.00 | 2330.00 |
| Deferred Tax | -420.00 | 2850.00 | 1700.00 | 2210.00 | 1430.00 |
| Other taxes | 0.00 | 10.00 | 0.00 | 10.00 | -460.00 |
| Profit After Tax | 9220.00 | 11960.00 | 12810.00 | 12360.00 | 12900.00 |
| Extra items | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Minority Interest | 1380.00 | -580.00 | -240.00 | -310.00 | -660.00 |
| Share of Associate | | | | | |
| Other Consolidated Items | | | | | |
| Consolidated Net Profit | 10600.00 | 11370.00 | 12560.00 | 12050.00 | 12240.00 |
| Adjustments to PAT | | | | | |
| Profit Balance B/F | 42650.00 | 31490.00 | 19550.00 | 10090.00 | 5780.00 |
| Appropriations | 53250.00 | 42870.00 | 32120.00 | 22140.00 | 18020.00 |
| General Reserves | | | | | |
| Proposed Equity Dividend | | | | | |
| Corporate dividend tax | | | | | |
| Other Appropriation | 53250.00 | 42870.00 | 32120.00 | 22140.00 | 18020.00 |
| Equity Dividend % | | | | | |
| Earnings Per Share | 9.00 | 10.00 | 11.00 | 11.00 | 11.00 |
| Adjusted EPS | 9.00 | 10.00 | 11.00 | 11.00 | 11.00 |