| Months | 12 | 12 | 12 | 12 | 12 |
| Source Of Info (AR = Annual Report, PR = Press Release) | AR | AR | AR | AR | AR |
| FaceValue | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| | | | | | |
| PER SHARE RATIOS | | | | | |
| | | | | | |
| Basic EPS (Rs.) | 134.19 | 125.88 | 115.19 | 103.62 | 86.71 |
| Diluted EPS (Rs.) | 134.19 | 125.88 | 115.19 | 103.62 | 86.71 |
| Cash EPS (Rs.) | 149.28 | 141.12 | 129.30 | 117.63 | 98.99 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 261.76 | 252.26 | 249.20 | 245.48 | 235.43 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 261.76 | 252.26 | 249.20 | 245.48 | 235.43 |
| Revenue From Operations / Share (Rs.) | 705.31 | 665.45 | 616.01 | 523.92 | 443.72 |
| PBDIT / Share (Rs.) | 197.15 | 189.83 | 171.33 | 155.94 | 134.27 |
| PBIT / Share (Rs.) | 182.67 | 176.06 | 157.61 | 143.36 | 123.28 |
| PBT / Share (Rs.) | 180.47 | 171.26 | 155.48 | 141.22 | 118.27 |
| Net Profit / Share (Rs.) | 134.80 | 127.35 | 115.58 | 105.05 | 88.01 |
| NP After MI And SOA / Share (Rs.) | 134.12 | 126.82 | 115.16 | 104.72 | 87.65 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 27.95 | 28.52 | 27.81 | 29.76 | 30.26 |
| PBIT Margin (%) | 25.89 | 26.45 | 25.58 | 27.36 | 27.78 |
| PBT Margin (%) | 25.58 | 25.73 | 25.24 | 26.95 | 26.65 |
| Net Profit Margin (%) | 19.11 | 19.13 | 18.76 | 20.05 | 19.83 |
| NP After MI And SOA Margin (%) | 19.01 | 19.05 | 18.69 | 19.98 | 19.75 |
| Return on Networth / Equity (%) | 51.24 | 50.73 | 46.61 | 42.99 | 37.52 |
| Return on Capital Employeed (%) | 62.01 | 63.51 | 57.63 | 52.91 | 47.21 |
| Return On Assets (%) | 30.41 | 31.34 | 29.33 | 27.08 | 24.80 |
| Asset Turnover Ratio (%) | 1.67 | 1.66 | 1.58 | 1.41 | 1.18 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 2.32 | 2.45 | 2.53 | 2.56 | 2.91 |
| Quick Ratio (X) | 2.32 | 2.45 | 2.53 | 2.56 | 2.91 |
| Dividend Payout Ratio (NP) (%) | 92.40 | 54.75 | 98.10 | 34.74 | 33.45 |
| Dividend Payout Ratio (CP) (%) | 83.39 | 49.39 | 87.65 | 31.01 | 29.73 |
| Earning Retention Ratio (%) | 7.60 | 45.25 | 1.90 | 65.26 | 66.55 |
| Cash Earning Retention Ratio (%) | 16.61 | 50.61 | 12.35 | 68.99 | 70.27 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 89.66 | 88.33 | 80.50 | 72.80 | 77.99 |
| Interest Coverage Ratio (Post Tax) (%) | 62.30 | 61.48 | 55.30 | 50.04 | 54.03 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 1290362.90 | 1393389.10 | 1163072.80 | 1350886.80 | 1167058.00 |
| EV / Net Operating Revenue (X) | 5.05 | 5.78 | 5.16 | 7.04 | 7.11 |
| EV / EBITDA (X) | 18.08 | 20.28 | 18.55 | 23.67 | 23.49 |
| MarketCap / Net Operating Revenue (X) | 5.11 | 5.84 | 5.20 | 7.14 | 7.16 |
| Retention Ratios (%) | 7.59 | 45.24 | 1.89 | 65.25 | 66.54 |
| Price / BV (X) | 13.77 | 15.54 | 12.98 | 15.35 | 13.60 |
| Price / Net Operating Revenue (X) | 5.11 | 5.84 | 5.20 | 7.14 | 7.16 |
| EarningsYield | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 |