| 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.) | 160.21 | 176.35 | 175.22 | 122.03 | 121.02 |
| Diluted EPS (Rs.) | 160.21 | 176.35 | 175.22 | 122.03 | 121.02 |
| Cash EPS (Rs.) | 208.78 | 221.25 | 218.76 | 151.32 | 137.11 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 1510.29 | 1324.17 | 1147.57 | 991.41 | 881.43 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 1510.29 | 1324.17 | 1147.57 | 991.41 | 881.43 |
| Dividend / Share (Rs.) | 20.00 | 20.00 | 17.50 | 12.00 | 6.00 |
| Revenue From Operations / Share (Rs.) | 684.43 | 669.22 | 688.97 | 487.00 | 457.48 |
| PBDIT / Share (Rs.) | 239.72 | 275.73 | 273.34 | 192.61 | 183.63 |
| PBIT / Share (Rs.) | 191.15 | 230.83 | 229.81 | 163.33 | 167.54 |
| PBT / Share (Rs.) | 190.69 | 230.34 | 234.33 | 163.13 | 167.38 |
| Net Profit / Share (Rs.) | 160.21 | 176.35 | 175.22 | 122.03 | 121.02 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 35.02 | 41.20 | 39.67 | 39.55 | 40.14 |
| PBIT Margin (%) | 27.92 | 34.49 | 33.35 | 33.53 | 36.62 |
| PBT Margin (%) | 27.86 | 34.41 | 34.01 | 33.49 | 36.58 |
| Net Profit Margin (%) | 23.40 | 26.35 | 25.43 | 25.05 | 26.45 |
| Return on Networth / Equity (%) | 10.60 | 13.31 | 15.26 | 12.30 | 13.72 |
| Return on Capital Employeed (%) | 11.16 | 15.62 | 18.04 | 14.82 | 17.12 |
| Return On Assets (%) | 8.63 | 11.29 | 13.02 | 10.26 | 11.34 |
| Long Term Debt / Equity (X) | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| Total Debt / Equity (X) | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| Asset Turnover Ratio (%) | 0.40 | 0.46 | 0.54 | 0.43 | 0.47 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 2.24 | 8.30 | 6.60 | 3.83 | 3.49 |
| Quick Ratio (X) | 1.75 | 7.46 | 5.58 | 3.13 | 2.98 |
| Inventory Turnover Ratio (X) | 2.00 | 2.02 | 2.31 | 2.03 | 1.95 |
| Dividend Payout Ratio (NP) (%) | 12.48 | 9.92 | 6.84 | 4.91 | 4.95 |
| Dividend Payout Ratio (CP) (%) | 9.57 | 7.90 | 5.48 | 3.96 | 4.37 |
| Earning Retention Ratio (%) | 87.52 | 90.08 | 93.16 | 95.09 | 95.05 |
| Cash Earning Retention Ratio (%) | 90.43 | 92.10 | 94.52 | 96.04 | 95.63 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 522.15 | 557.63 | 270.89 | 965.27 | 1152.69 |
| Interest Coverage Ratio (Post Tax) (%) | 349.96 | 357.65 | 169.17 | 612.58 | 760.64 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 1416.53 | 1570.30 | 1915.22 | 3203.43 | 2575.05 |
| EV / Net Operating Revenue (X) | 6.71 | 7.61 | 9.02 | 21.34 | 18.26 |
| EV / EBITDA (X) | 19.17 | 18.48 | 22.73 | 53.96 | 45.50 |
| MarketCap / Net Operating Revenue (X) | 6.60 | 7.62 | 9.02 | 21.34 | 18.27 |
| Retention Ratios (%) | 87.51 | 90.07 | 93.15 | 95.08 | 95.04 |
| Price / BV (X) | 2.99 | 3.85 | 5.42 | 10.48 | 9.48 |
| Price / Net Operating Revenue (X) | 6.60 | 7.62 | 9.02 | 21.34 | 18.27 |
| EarningsYield | 0.03 | 0.03 | 0.02 | 0.01 | 0.01 |