| Particulars | Mar 25 | Mar 24 | Mar 23 | Mar 22 | Mar 21 | 
				| 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.) | 16.51 | 17.25 | 21.98 | 24.51 | 22.81 | 
				| Diluted EPS (Rs.) | 16.51 | 17.25 | 21.98 | 24.51 | 22.81 | 
				| Cash EPS (Rs.) | 29.79 | 30.14 | 40.53 | 42.50 | 45.20 | 
				| Book Value[Excl.RevalReserv]/Share (Rs.) | 99.15 | 93.40 | 118.75 | 109.17 | 133.00 | 
				| Book Value[Incl.RevalReserv]/Share (Rs.) | 99.15 | 93.40 | 118.75 | 109.17 | 133.00 | 
				| Dividend / Share (Rs.) | 9.00 | 11.25 | 18.75 | 14.75 | 12.00 | 
				| Revenue From Operations / Share (Rs.) | 44.55 | 45.58 | 62.14 | 57.24 | 72.00 | 
				| PBDIT / Share (Rs.) | 43.19 | 43.20 | 57.20 | 53.52 | 68.65 | 
				| PBIT / Share (Rs.) | 29.91 | 29.70 | 38.65 | 35.52 | 46.27 | 
				| PBT / Share (Rs.) | 20.02 | 19.36 | 25.05 | 28.39 | 28.72 | 
				| Net Profit / Share (Rs.) | 16.51 | 16.64 | 21.98 | 24.50 | 22.81 | 
				|  |  |  |  |  |  | 
				| PROFITABILITY RATIOS |  |  |  |  |  | 
				|  |  |  |  |  |  | 
				| PBDIT Margin (%) | 96.95 | 94.78 | 92.05 | 93.49 | 95.35 | 
				| PBIT Margin (%) | 67.14 | 65.15 | 62.19 | 62.05 | 64.26 | 
				| PBT Margin (%) | 44.94 | 42.48 | 40.30 | 49.60 | 39.89 | 
				| Net Profit Margin (%) | 37.05 | 36.50 | 35.37 | 42.81 | 31.68 | 
				| Return on Networth / Equity (%) | 16.64 | 17.81 | 18.51 | 22.44 | 17.15 | 
				| Return on Capital Employeed (%) | 12.39 | 13.39 | 12.73 | 12.02 | 11.25 | 
				| Return On Assets (%) | 5.95 | 6.30 | 6.22 | 6.89 | 4.69 | 
				| Long Term Debt / Equity (X) | 1.19 | 1.21 | 1.37 | 1.50 | 1.86 | 
				| Total Debt / Equity (X) | 1.42 | 1.42 | 1.53 | 1.77 | 1.88 | 
				| Asset Turnover Ratio (%) | 0.16 | 0.17 | 0.17 | 0.15 | 0.14 | 
				|  |  |  |  |  |  | 
				| LIQUIDITY RATIOS |  |  |  |  |  | 
				|  |  |  |  |  |  | 
				| Current Ratio (X) | 1.04 | 0.84 | 0.93 | 0.72 | 0.90 | 
				| Quick Ratio (X) | 0.99 | 0.81 | 0.89 | 0.69 | 0.87 | 
				| Inventory Turnover Ratio (X) | 30.90 | 0.00 | 0.00 | 0.00 | 0.00 | 
				| Dividend Payout Ratio (NP) (%) | 46.94 | 51.08 | 45.49 | 51.00 | 57.15 | 
				| Dividend Payout Ratio (CP) (%) | 26.01 | 28.20 | 24.67 | 29.41 | 28.84 | 
				| Earning Retention Ratio (%) | 53.06 | 48.92 | 54.51 | 49.00 | 42.85 | 
				| Cash Earning Retention Ratio (%) | 73.99 | 71.80 | 75.33 | 70.59 | 71.16 | 
				|  |  |  |  |  |  | 
				| COVERAGE RATIOS |  |  |  |  |  | 
				|  |  |  |  |  |  | 
				| Interest Coverage Ratio (%) | 4.24 | 4.44 | 4.09 | 4.55 | 4.22 | 
				| Interest Coverage Ratio (Post Tax) (%) | 2.59 | 2.76 | 2.55 | 2.69 | 2.48 | 
				|  |  |  |  |  |  | 
				| VALUATION RATIOS |  |  |  |  |  | 
				|  |  |  |  |  |  | 
				| Enterprise Value (Cr.) | 394681.49 | 376095.01 | 279296.37 | 282956.86 | 238425.77 | 
				| EV / Net Operating Revenue (X) | 9.53 | 8.87 | 6.44 | 7.09 | 6.33 | 
				| EV / EBITDA (X) | 9.83 | 9.36 | 7.00 | 7.58 | 6.64 | 
				| MarketCap / Net Operating Revenue (X) | 6.52 | 6.08 | 3.63 | 3.79 | 3.00 | 
				| Retention Ratios (%) | 53.05 | 48.91 | 54.50 | 48.99 | 42.84 | 
				| Price / BV (X) | 2.93 | 2.97 | 1.90 | 1.99 | 1.62 | 
				| Price / Net Operating Revenue (X) | 6.52 | 6.08 | 3.63 | 3.79 | 3.00 | 
				| EarningsYield | 0.05 | 0.06 | 0.09 | 0.11 | 0.10 |