| 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.) | 136.64 | 113.50 | 110.02 | 90.17 | 76.27 |
| Diluted EPS (Rs.) | 136.61 | 113.48 | 109.99 | 90.13 | 76.20 |
| Cash EPS (Rs.) | 153.39 | 127.74 | 125.27 | 105.05 | 92.53 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 345.09 | 303.41 | 281.75 | 251.71 | 231.14 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 345.09 | 303.41 | 281.75 | 251.71 | 231.14 |
| Dividend / Share (Rs.) | 104.50 | 95.00 | 92.00 | 80.00 | 69.00 |
| Revenue From Operations / Share (Rs.) | 1384.56 | 1168.36 | 1170.62 | 937.21 | 812.77 |
| PBDIT / Share (Rs.) | 200.63 | 166.72 | 163.32 | 135.90 | 118.84 |
| PBIT / Share (Rs.) | 183.89 | 152.47 | 148.05 | 121.00 | 102.55 |
| PBT / Share (Rs.) | 183.61 | 152.27 | 147.99 | 120.93 | 102.55 |
| Net Profit / Share (Rs.) | 136.64 | 113.50 | 110.01 | 90.15 | 76.24 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 14.49 | 14.26 | 13.95 | 14.50 | 14.62 |
| PBIT Margin (%) | 13.28 | 13.05 | 12.64 | 12.91 | 12.61 |
| PBT Margin (%) | 13.26 | 13.03 | 12.64 | 12.90 | 12.61 |
| Net Profit Margin (%) | 9.86 | 9.71 | 9.39 | 9.61 | 9.38 |
| Return on Networth / Equity (%) | 39.59 | 37.40 | 39.04 | 35.81 | 32.98 |
| Return on Capital Employeed (%) | 52.20 | 49.19 | 51.41 | 47.19 | 43.39 |
| Return On Assets (%) | 24.69 | 24.76 | 24.92 | 23.72 | 20.18 |
| Asset Turnover Ratio (%) | 2.74 | 2.60 | 2.85 | 2.47 | 2.43 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 1.96 | 2.34 | 2.09 | 2.19 | 2.10 |
| Quick Ratio (X) | 1.64 | 1.94 | 1.71 | 1.77 | 1.74 |
| Inventory Turnover Ratio (X) | 17.68 | 15.94 | 17.28 | 14.40 | 15.69 |
| Dividend Payout Ratio (NP) (%) | 69.52 | 81.05 | 72.71 | 76.52 | 52.43 |
| Dividend Payout Ratio (CP) (%) | 61.93 | 72.01 | 63.85 | 65.66 | 43.20 |
| Earning Retention Ratio (%) | 30.48 | 18.95 | 27.29 | 23.48 | 47.57 |
| Cash Earning Retention Ratio (%) | 38.07 | 27.99 | 36.15 | 34.34 | 56.80 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 737.43 | 819.59 | 2610.02 | 2160.23 | 49742.76 |
| Interest Coverage Ratio (Post Tax) (%) | 503.22 | 558.94 | 1759.07 | 1433.91 | 31912.93 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 4553.63 | 2607.38 | 1757.82 | 1494.88 | 1475.35 |
| EV / Net Operating Revenue (X) | 2.71 | 1.84 | 1.24 | 1.31 | 1.50 |
| EV / EBITDA (X) | 18.68 | 12.87 | 8.86 | 9.06 | 10.23 |
| MarketCap / Net Operating Revenue (X) | 2.81 | 1.96 | 1.31 | 1.39 | 1.61 |
| Retention Ratios (%) | 30.47 | 18.94 | 27.28 | 23.47 | 47.56 |
| Price / BV (X) | 11.28 | 7.55 | 5.46 | 5.19 | 5.68 |
| Price / Net Operating Revenue (X) | 2.81 | 1.96 | 1.31 | 1.39 | 1.61 |
| EarningsYield | 0.03 | 0.04 | 0.07 | 0.06 | 0.05 |