| (Rs. in Million) |
| | Particulars | Mar 2011 | Mar 2010 | Mar 2009 | Mar 2008 | Mar 2007 |
| | Profit Before Tax | 3438.50 | 5235.30 | 3469.50 | 3977.30 | 3620.40 |
| | Adjustment | 3331.90 | 4412.20 | 3460.70 | 3462.20 | 2744.30 |
| | Changes In working Capital | -749.50 | -1433.00 | 451.00 | 56.60 | 519.00 |
| | Cash Flow after changes in Working Capital | 6020.90 | 8214.50 | 7381.20 | 7496.10 | 6883.70 |
| | Cash Flow from Operating Activities | 4861.20 | 6125.40 | 6738.00 | 5851.60 | 3166.80 |
| | Cash Flow from Investing Activities | -9634.90 | -10960.90 | -8294.70 | -6917.50 | -4475.20 |
| | Cash Flow from Financing Activities | 4665.30 | 4694.00 | 1747.20 | 158.40 | 2304.00 |
| | Net Cash Inflow / Outflow | -108.40 | -141.50 | 190.50 | -907.50 | 995.60 |
| | Opening Cash & Cash Equivalents | 515.40 | 656.90 | 466.40 | 1373.90 | 378.30 |
| | Cash & Cash Equivalent on Amalgamation / Take over / Merger | 0 | 0 | 0 | 0 | 0 |
| | Cash & Cash Equivalent of Subsidiaries under liquidations | 0 | 0 | 0 | 0 | 0 |
| | Translation adjustment on reserves / op cash balalces frgn subsidiaries | 0 | 0 | 0 | 0 | 0 |
| | Effect of Foreign Exchange Fluctuations | 0 | 0 | 0 | 0 | 0 |
| | Closing Cash & Cash Equivalent | 407.00 | 515.40 | 656.90 | 466.40 | 1373.90 |