| Months | 12 | 12 | 12 | 12 | 12 |
| Source Of Info (AR = Annual Report, PR = Press Release) | PR | AR | AR | AR | AR |
| FaceValue | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 |
| | | | | | |
| PER SHARE RATIOS | | | | | |
| | | | | | |
| Basic EPS (Rs.) | 71.58 | 64.50 | 63.39 | 57.63 | 52.52 |
| Diluted EPS (Rs.) | 71.46 | 64.34 | 63.39 | 57.54 | 52.41 |
| Cash EPS (Rs.) | 84.92 | 76.13 | 74.66 | 68.47 | 61.06 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 229.38 | 231.11 | 212.74 | 183.17 | 180.50 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 229.38 | 231.11 | 212.74 | 183.17 | 180.50 |
| Revenue From Operations / Share (Rs.) | 441.33 | 393.13 | 371.00 | 354.68 | 289.90 |
| PBDIT / Share (Rs.) | 115.12 | 103.32 | 99.31 | 91.42 | 80.52 |
| PBIT / Share (Rs.) | 103.01 | 91.71 | 88.02 | 81.21 | 72.23 |
| PBT / Share (Rs.) | 98.80 | 90.71 | 86.89 | 80.53 | 71.76 |
| Net Profit / Share (Rs.) | 72.81 | 64.52 | 63.37 | 58.26 | 52.78 |
| NP After MI And SOA / Share (Rs.) | 72.73 | 64.43 | 63.33 | 58.23 | 52.69 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 26.08 | 26.28 | 26.76 | 25.77 | 27.77 |
| PBIT Margin (%) | 23.34 | 23.32 | 23.72 | 22.89 | 24.91 |
| PBT Margin (%) | 22.38 | 23.07 | 23.41 | 22.70 | 24.75 |
| Net Profit Margin (%) | 16.49 | 16.41 | 17.08 | 16.42 | 18.20 |
| NP After MI And SOA Margin (%) | 16.47 | 16.38 | 17.07 | 16.41 | 18.17 |
| Return on Networth / Equity (%) | 31.70 | 27.87 | 29.77 | 31.95 | 29.34 |
| Return on Capital Employeed (%) | 40.23 | 35.85 | 36.81 | 38.79 | 35.96 |
| Return On Assets (%) | 18.87 | 17.93 | 19.03 | 19.15 | 18.75 |
| Asset Turnover Ratio (%) | 1.17 | 1.14 | 1.17 | 1.20 | 1.08 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 1.98 | 2.27 | 2.31 | 1.81 | 2.00 |
| Quick Ratio (X) | 1.98 | 2.27 | 2.31 | 1.81 | 2.00 |
| Dividend Payout Ratio (NP) (%) | 0.00 | 75.97 | 56.00 | 56.57 | 57.23 |
| Dividend Payout Ratio (CP) (%) | 0.00 | 64.37 | 47.53 | 48.13 | 49.46 |
| Earning Retention Ratio (%) | 0.00 | 24.03 | 44.00 | 43.43 | 42.77 |
| Cash Earning Retention Ratio (%) | 0.00 | 35.63 | 52.47 | 51.87 | 50.54 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 112.02 | 102.97 | 87.52 | 133.21 | 168.93 |
| Interest Coverage Ratio (Post Tax) (%) | 74.95 | 65.30 | 56.85 | 85.89 | 111.73 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 485679.64 | 627017.84 | 606361.96 | 578997.26 | 783175.12 |
| EV / Net Operating Revenue (X) | 2.71 | 3.85 | 3.95 | 3.94 | 6.44 |
| EV / EBITDA (X) | 10.40 | 14.64 | 14.74 | 15.30 | 23.18 |
| MarketCap / Net Operating Revenue (X) | 2.84 | 3.99 | 4.04 | 4.03 | 6.58 |
| Retention Ratios (%) | 0.00 | 24.02 | 43.99 | 43.42 | 42.76 |
| Price / BV (X) | 5.45 | 6.79 | 7.05 | 7.83 | 10.62 |
| Price / Net Operating Revenue (X) | 2.84 | 3.99 | 4.04 | 4.03 | 6.58 |
| EarningsYield | 0.05 | 0.04 | 0.04 | 0.04 | 0.02 |