| Rs. in Cr. | Mar 2012 | Mar 2011 | Mar 2010 | Mar 2009 | Mar 2008 |
| INCOME : | | | | | |
| Operating Income | 1,108.81 | 1,910.70 | 2,999.44 | 2,574.19 | 1,842.42 |
| Other Income | 22.26 | 175.43 | 92.70 | 102.38 | 413.25 |
| | | | | |
| Total Income | 1,131.07 | 2,086.13 | 3,092.14 | 2,676.57 | 2,255.67 |
| | | | | |
| EXPENDITURE : | | | | | |
| Power and Fuel Cost | 3.47 | 90.65 | 164.54 | 230.62 | 188.95 |
| Other Operating Expenses | 177.88 | 934.05 | 1,482.61 | 1,255.26 | 1,105.55 |
| Employee Cost | 21.99 | 113.44 | 181.30 | 142.48 | 116.83 |
| Selling and Administration Expenses | 12.14 | 29.60 | 7.02 | 6.37 | 39.83 |
| Miscellaneous Expenses | 237.89 | 6.36 | 150.17 | 104.97 | 9.20 |
| Less: Preoperative Expenditure Capitalised | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| | | | | |
| Profit before Interest, Depreciation and Tax | 677.70 | 912.03 | 1,106.50 | 936.87 | 795.31 |
| Interest and Financial Charges | 420.81 | 473.76 | 537.35 | 434.80 | 266.55 |
| Profit before Depreciation and Tax | 256.89 | 438.27 | 569.15 | 502.07 | 528.76 |
| Depreciation | 220.25 | 320.83 | 446.94 | 377.82 | 221.48 |
| Minority Interest before PAT | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Profit Before Tax | 36.64 | 117.44 | 122.21 | 124.25 | 307.28 |
| Tax | -62.20 | 34.60 | 27.01 | 47.05 | 43.68 |
| Profit After Tax | 98.84 | 82.84 | 95.20 | 77.20 | 263.60 |
| Minority Interest after PAT | 34.89 | 12.69 | 1.43 | 0.00 | -13.81 |
| Profit/Loss of Associate Company | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Profit after Minority Interest and P/L of Assoc. Co. | 63.95 | 70.15 | 93.77 | 77.20 | 277.41 |
| | | | | |
| Adjustment below net profit | 0.00 | 0.00 | 0.00 | 10.72 | 0.00 |
| P and L Balance brought forward | 1,422.85 | 1,363.26 | 1,328.14 | 1,258.24 | 1,010.83 |
| Appropriations | 36.03 | 10.56 | 58.65 | 18.02 | 30.00 |
| P and L Balance carried down | 1,450.77 | 1,422.85 | 1,363.26 | 1,328.14 | 1,258.24 |
| | | | | |
| Equity Dividend | 20.72 | 0.00 | 0.00 | 0.00 | 0.00 |
| Preference Dividend | 0.00 | 10.56 | 8.65 | 0.02 | 0.00 |
| Corporate Dividend Tax | 3.40 | 0.00 | 0.00 | 0.00 | 0.00 |
| Equity Dividend (%) | 5.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| | | | | |
| Earning Per Share (Rs.) | 1.47 | 1.45 | 1.38 | 1.25 | 6.51 |
| Book Value | 53.62 | 52.65 | 119.09 | 119.23 | 67.63 |
| | | | | |
| Extraordinary Items | -179.22 | 58.57 | 0.73 | 17.90 | 346.95 |