| (Rs. in Million) |
| Particulars | Mar 2021 | Mar 2020 | Mar 2019 | Mar 2018 | Mar 2017 |
| Profit Before Tax | 2517.50 | 1138.10 | 1014.70 | 699.60 | 324.10 |
| Adjustment | 1358.80 | 812.70 | 548.60 | 489.60 | 209.20 |
| Changes In working Capital | -525.40 | 364.80 | -506.80 | -447.90 | -67.80 |
| Cash Flow after changes in Working Capital | 3350.90 | 2315.60 | 1056.50 | 741.30 | 465.50 |
| Cash Flow from Operating Activities | 2871.50 | 1844.70 | 750.70 | 648.80 | 428.50 |
| Cash Flow from Investing Activities | 1813.10 | -2686.50 | -533.00 | -244.70 | -1190.10 |
| Cash Flow from Financing Activities | -1176.50 | 2049.60 | -161.50 | -68.30 | 645.90 |
| Net Cash Inflow / Outflow | 3508.10 | 1207.80 | 56.20 | 335.80 | -115.70 |
| Opening Cash & Cash Equivalents | 2203.30 | 929.50 | 877.30 | 477.20 | 672.30 |
| 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 | 197.50 | 66.00 | -4.00 | 64.30 | -79.40 |
| Closing Cash & Cash Equivalent | 5908.90 | 2203.30 | 929.50 | 877.30 | 477.20 |