| 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 | 
			
				| No. of Equity Shares (in Lacs) | 151.22 | 150.78 | 150.51 | 150.51 | 150.51 | 
			
				|   |   |   |   |   |   | 
			
				| EQUITIES AND LIABILITIES |   |   |   |   |   | 
			
				| SHAREHOLDER'S FUNDS |   |   |   |   |   | 
			
				| Equity Share Capital | 15.12 | 15.08 | 15.05 | 15.05 | 15.05 | 
			
				| Total Share Capital | 15.12 | 15.08 | 15.05 | 15.05 | 15.05 | 
			
				|   |   |   |   |   |   | 
			
				| Reserves and Surplus | 774.37 | 757.35 | 703.04 | 641.51 | 553.69 | 
			
				| Total Reserves and Surplus | 774.37 | 757.35 | 703.04 | 641.51 | 553.69 | 
			
				| Total Shareholders Funds | 789.49 | 772.43 | 718.10 | 656.56 | 568.75 | 
			
				|   |   |   |   |   |   | 
			
				| NON-CURRENT LIABILITIES |   |   |   |   |   | 
			
				| Other Long Term Liabilities | 15.59 | 0.99 | 2.22 | 0.00 | 0.00 | 
			
				| Long Term Provisions | 9.10 | 5.58 | 7.04 | 7.69 | 6.27 | 
			
				| Total Non-Current Liabilities | 24.70 | 6.56 | 9.26 | 7.69 | 6.27 | 
			
				|   |   |   |   |   |   | 
			
				| CURRENT LIABILITIES |   |   |   |   |   | 
			
				| Trade Payables | 14.94 | 8.73 | 9.43 | 15.29 | 11.74 | 
			
				| Other Current Liabilities | 72.69 | 84.85 | 62.71 | 73.24 | 62.90 | 
			
				| Short Term Provisions | 15.58 | 11.02 | 10.34 | 10.55 | 9.79 | 
			
				| Total Current Liabilities | 103.20 | 104.59 | 82.47 | 99.08 | 84.43 | 
			
				|   |   |   |   |   |   | 
			
				| Total Capital And Liabilities | 917.39 | 883.58 | 809.83 | 763.33 | 659.44 | 
			
				|   |   |   |   |   |   | 
			
				| ASSETS |   |   |   |   |   | 
			
				| NON-CURRENT ASSETS |   |   |   |   |   | 
			
				| Tangible Assets | 51.44 | 32.78 | 36.10 | 32.17 | 32.94 | 
			
				| Intangible Assets | 0.06 | 0.03 | 0.01 | 0.01 | 0.18 | 
			
				| Capital Work-In-Progress | 0.58 | 0.00 | 0.03 | 0.02 | 0.01 | 
			
				| Fixed Assets | 52.08 | 32.82 | 36.13 | 32.20 | 33.13 | 
			
				| Non-Current Investments | 427.29 | 663.42 | 533.16 | 521.98 | 362.15 | 
			
				| Deferred Tax Assets [Net] | 4.20 | 3.59 | 8.18 | 8.45 | 6.63 | 
			
				| Long Term Loans And Advances | 0.00 | 0.00 | 0.00 | 0.00 | 2.02 | 
			
				| Other Non-Current Assets | 75.95 | 58.06 | 48.70 | 43.96 | 41.92 | 
			
				| Total Non-Current Assets | 559.52 | 757.89 | 626.18 | 606.59 | 445.85 | 
			
				|   |   |   |   |   |   | 
			
				|   |   |   |   |   |   | 
			
				| CURRENT ASSETS |   |   |   |   |   | 
			
				| Current Investments | 194.05 | 21.38 | 69.03 | 36.72 | 70.69 | 
			
				| Trade Receivables | 92.95 | 51.45 | 60.23 | 70.77 | 59.16 | 
			
				| Cash And Cash Equivalents | 14.56 | 11.80 | 7.33 | 12.20 | 36.95 | 
			
				| OtherCurrentAssets | 56.30 | 41.07 | 47.05 | 37.06 | 46.80 | 
			
				| Total Current Assets | 357.87 | 125.70 | 183.65 | 156.75 | 213.59 | 
			
				|   |   |   |   |   |   | 
			
				| Total Assets | 917.39 | 883.58 | 809.83 | 763.33 | 659.44 | 
			
				|   |   |   |   |   |   | 
			
				| OTHER INFORMATION |   |   |   |   |   | 
			
				|   |   |   |   |   |   | 
			
				| CONTINGENT LIABILITIES, COMMITMENTS |   |   |   |   |   | 
			
				| Contingent Liabilities | 314.01 | 302.29 | 280.89 | 272.26 | 259.34 | 
			
				|   |   |   |   |   |   | 
			
				| BONUS DETAILS |   |   |   |   |   | 
			
				| Bonus Equity Share Capital | 4.14 | 4.14 | 4.14 | 4.14 | 4.14 | 
			
				|   |   |   |   |   |   | 
			
				| NON-CURRENT INVESTMENTS |   |   |   |   |   | 
			
				| Non-Current Investments Quoted Market Value | 132.05 | 255.11 | 167.01 | 266.19 | 222.06 | 
			
				| Non-Current Investments Unquoted Book Value | 295.24 | 408.31 | 366.15 | 255.79 | 140.09 | 
			
				|   |   |   |   |   |   | 
			
				| CURRENT INVESTMENTS |   |   |   |   |   | 
			
				| Current Investments Quoted Market Value | 12.59 | 14.43 | 12.29 | 30.51 | 0.00 | 
			
				| Current Investments Unquoted Book Value | 181.47 | 6.94 | 56.74 | 6.20 | 70.69 |