| Months | 12 | 12 | 12 | 12 | 12 |
| Source Of Info (AR = Annual Report, PR = Press Release) | AR | AR | AR | AR | AR |
| FaceValue | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 |
| | | | | | |
| PER SHARE RATIOS | | | | | |
| | | | | | |
| Basic EPS (Rs.) | 88.95 | 150.34 | 222.11 | 181.92 | 87.30 |
| Diluted EPS (Rs.) | 88.95 | 150.34 | 222.11 | 181.92 | 87.30 |
| Cash EPS (Rs.) | 137.38 | 135.43 | 141.07 | 132.44 | 96.80 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 14432.49 | 13192.60 | 10087.76 | 10027.07 | 8895.19 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 14432.49 | 13192.60 | 10087.76 | 10027.07 | 8895.19 |
| Revenue From Operations / Share (Rs.) | 272.88 | 258.58 | 251.66 | 232.60 | 179.45 |
| PBDIT / Share (Rs.) | 264.72 | 249.39 | 246.43 | 226.42 | 173.63 |
| PBIT / Share (Rs.) | 264.51 | 249.19 | 246.18 | 226.10 | 173.22 |
| PBT / Share (Rs.) | 184.69 | 182.09 | 187.47 | 172.87 | 126.17 |
| Net Profit / Share (Rs.) | 137.17 | 135.23 | 140.82 | 132.12 | 96.40 |
| NP After MI And SOA / Share (Rs.) | 88.94 | 150.34 | 222.11 | 181.92 | 87.30 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 97.01 | 96.44 | 97.91 | 97.34 | 96.75 |
| PBIT Margin (%) | 96.93 | 96.36 | 97.81 | 97.20 | 96.53 |
| PBT Margin (%) | 67.68 | 70.41 | 74.49 | 74.32 | 70.30 |
| Net Profit Margin (%) | 50.26 | 52.29 | 55.95 | 56.80 | 53.71 |
| NP After MI And SOA Margin (%) | 32.59 | 58.13 | 88.25 | 78.20 | 48.64 |
| Return on Networth / Equity (%) | 0.61 | 1.13 | 2.20 | 1.81 | 0.98 |
| Return on Capital Employeed (%) | 1.68 | 1.67 | 2.25 | 2.03 | 1.80 |
| Return On Assets (%) | 0.50 | 1.01 | 1.98 | 1.58 | 0.87 |
| Long Term Debt / Equity (X) | 0.00 | 0.06 | 0.03 | 0.06 | 0.04 |
| Total Debt / Equity (X) | 0.12 | 0.06 | 0.06 | 0.09 | 0.08 |
| Asset Turnover Ratio (%) | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 9.90 | 2555.03 | 37.27 | 31.64 | 27.49 |
| Quick Ratio (X) | 9.90 | 2555.03 | 37.27 | 31.64 | 27.49 |
| Dividend Payout Ratio (NP) (%) | 16.86 | 9.97 | 6.75 | 8.24 | 20.45 |
| Dividend Payout Ratio (CP) (%) | 16.82 | 9.96 | 6.74 | 8.23 | 20.36 |
| Earning Retention Ratio (%) | 83.14 | 90.03 | 93.25 | 91.76 | 79.55 |
| Cash Earning Retention Ratio (%) | 83.18 | 90.04 | 93.26 | 91.77 | 79.64 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 3.32 | 3.72 | 4.20 | 4.25 | 3.69 |
| Interest Coverage Ratio (Post Tax) (%) | 2.72 | 3.02 | 3.40 | 3.48 | 3.05 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 6153.02 | 4677.65 | 2524.42 | 2939.86 | 2541.88 |
| EV / Net Operating Revenue (X) | 20.36 | 16.34 | 9.06 | 11.41 | 12.79 |
| EV / EBITDA (X) | 20.99 | 16.94 | 9.25 | 11.73 | 13.22 |
| MarketCap / Net Operating Revenue (X) | 14.02 | 13.19 | 6.45 | 7.30 | 8.84 |
| Retention Ratios (%) | 83.13 | 90.02 | 93.24 | 91.75 | 79.54 |
| Price / BV (X) | 0.26 | 0.25 | 0.16 | 0.16 | 0.17 |
| Price / Net Operating Revenue (X) | 14.02 | 13.19 | 6.45 | 7.30 | 8.84 |
| EarningsYield | 0.02 | 0.04 | 0.13 | 0.10 | 0.05 |