| Months | 12 | 12 | 12 | 12 | 12 |
| Source Of Info (AR = Annual Report, PR = Press Release) | PR | AR | AR | AR | AR |
| FaceValue | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 |
| | | | | | |
| PER SHARE RATIOS | | | | | |
| | | | | | |
| Basic EPS (Rs.) | 188.63 | 176.73 | 157.07 | 140.59 | 116.74 |
| Diluted EPS (Rs.) | 188.32 | 176.50 | 156.99 | 140.59 | 116.74 |
| Cash EPS (Rs.) | 218.41 | 194.38 | 171.69 | 151.85 | 125.73 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 1223.41 | 1091.29 | 1016.43 | 989.44 | 878.36 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 1223.41 | 1091.29 | 1016.43 | 989.44 | 878.36 |
| Revenue From Operations / Share (Rs.) | 621.18 | 516.02 | 462.24 | 417.80 | 355.19 |
| PBDIT / Share (Rs.) | 300.53 | 264.39 | 231.82 | 199.41 | 167.29 |
| PBIT / Share (Rs.) | 271.25 | 247.40 | 217.87 | 189.23 | 159.20 |
| PBT / Share (Rs.) | 259.50 | 242.43 | 207.08 | 187.77 | 157.58 |
| Net Profit / Share (Rs.) | 189.13 | 177.39 | 157.74 | 141.67 | 117.64 |
| NP After MI And SOA / Share (Rs.) | 188.07 | 176.15 | 156.56 | 140.12 | 116.35 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 48.38 | 51.23 | 50.15 | 47.72 | 47.09 |
| PBIT Margin (%) | 43.66 | 47.94 | 47.13 | 45.29 | 44.82 |
| PBT Margin (%) | 41.77 | 46.98 | 44.80 | 44.94 | 44.36 |
| Net Profit Margin (%) | 30.44 | 34.37 | 34.12 | 33.90 | 33.11 |
| NP After MI And SOA Margin (%) | 30.27 | 34.13 | 33.86 | 33.53 | 32.75 |
| Return on Networth / Equity (%) | 15.37 | 16.14 | 15.47 | 14.23 | 13.31 |
| Return on Capital Employeed (%) | 21.08 | 21.37 | 20.30 | 18.84 | 17.80 |
| Return On Assets (%) | 12.21 | 13.13 | 12.72 | 12.28 | 11.47 |
| Asset Turnover Ratio (%) | 0.43 | 0.40 | 0.38 | 0.24 | 0.23 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 3.80 | 6.37 | 4.32 | 4.29 | 3.77 |
| Quick Ratio (X) | 3.80 | 6.37 | 4.32 | 4.29 | 3.77 |
| Dividend Payout Ratio (NP) (%) | 0.00 | 56.58 | 82.76 | 19.91 | 23.12 |
| Dividend Payout Ratio (CP) (%) | 0.00 | 51.60 | 75.99 | 18.56 | 21.62 |
| Earning Retention Ratio (%) | 0.00 | 43.42 | 17.24 | 80.09 | 76.88 |
| Cash Earning Retention Ratio (%) | 0.00 | 48.40 | 24.01 | 81.44 | 78.38 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 65.53 | 53.12 | 21.50 | 136.25 | 103.41 |
| Interest Coverage Ratio (Post Tax) (%) | 43.80 | 36.64 | 15.63 | 97.80 | 73.71 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 4791.70 | 5054.70 | 5105.59 | 4025.55 | 3803.03 |
| EV / Net Operating Revenue (X) | 7.99 | 10.15 | 11.44 | 9.98 | 11.09 |
| EV / EBITDA (X) | 16.52 | 19.81 | 22.82 | 20.92 | 23.55 |
| MarketCap / Net Operating Revenue (X) | 8.06 | 10.70 | 11.78 | 10.57 | 11.99 |
| Retention Ratios (%) | 0.00 | 43.41 | 17.23 | 80.08 | 76.87 |
| Price / BV (X) | 4.09 | 5.06 | 5.38 | 4.49 | 4.87 |
| Price / Net Operating Revenue (X) | 8.06 | 10.70 | 11.78 | 10.57 | 11.99 |
| EarningsYield | 0.03 | 0.03 | 0.02 | 0.03 | 0.02 |