| 
							 10 Trade receivables  | 
					||||||||
| 
							 (₹ In Crore)  | 
					||||||||
| 
							 Particulars  | 
						
							 Non-current  | 
						
							 Current  | 
					||||||
| 
							 As at 31 March  | 
						
							 As at 31 March  | 
					|||||||
| 
							 2024  | 
						
							 2023  | 
						
							 2024  | 
						
							 2023  | 
					|||||
| 
							 
  | 
						||||||||
| 
							 Unsecured, considered good  | 
						
							 –  | 
						
							 –  | 
						
							 2,122.40  | 
						
							 1,776.12  | 
					||||
| 
							 Receivables which have significant increase in credit risk  | 
						
							 19.37  | 
						
							 43.20  | 
						
							 –  | 
						
							 –  | 
					||||
| 
							 19.37  | 
						
							 43.20  | 
						
							 2,122.40  | 
						
							 1,776.12  | 
					|||||
| 
							 Allowance for bad and doubtful receivable [See note 33(A)]  | 
						
							 (19.37)  | 
						
							 (43.20)  | 
						
							 –  | 
						
							 –  | 
					||||
| 
							 –  | 
						
							 –  | 
						
							 2,122.40  | 
						
							 1,776.12  | 
					|||||
| 
							 –  | 
						
							 –  | 
						
							 2,122.40  | 
						
							 1,776.12  | 
					|||||
| 
							 Ageing schedule as at 31 March 2024  | 
						
							 Outstanding for following periods from due date of payment  | 
					||||||||||||
| 
							 Less than 6 months  | 
						
							 6 months – 1 year  | 
						
							 1 – 2 years  | 
						
							 2 -3 years  | 
						
							 More than 3 years  | 
						
							 Total  | 
					||||||||
| 
							 
  | 
						|||||||||||||
| 
							 i)  | 
						
							 Undisputed trade receivables – considered good  | 
						
							 2,118.86  | 
						
							 1.22  | 
						
							 0.68  | 
						
							 0.82  | 
						
							 0.82  | 
						
							 2,122.40  | 
					||||||
| 
							 ii)  | 
						
							 Undisputed trade receivables – which have significant increase in credit risk  | 
						
							 0.57  | 
						
							 2.13  | 
						
							 1.72  | 
						
							 0.73  | 
						
							 1.77  | 
						
							 6.92  | 
					||||||
| 
							 iii)  | 
						
							 Disputed trade receivables – considered good  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
					||||||
| 
							 iv)  | 
						
							 Disputed trade receivables – which have significant increase in credit risk  | 
						
							 –  | 
						
							 –  | 
						
							 0.18  | 
						
							 0.65  | 
						
							 11.62  | 
						
							 12.45  | 
					||||||
| 
							 2,119.43  | 
						
							 3.35  | 
						
							 2.58  | 
						
							 2.20  | 
						
							 14.21  | 
						
							 2,141.77  | 
					||||||||
| 
							 Ageing schedule as at 31 March 2023  | 
						
							 Outstanding for following periods from due date of payment  | 
					||||||||||||
| 
							 Less than 6 months  | 
						
							 6 months – 1 year  | 
						
							 1 – 2 years  | 
						
							 2 -3 years  | 
						
							 More than 3 years  | 
						
							 Total  | 
					||||||||
| 
							 
  | 
						|||||||||||||
| 
							 i)  | 
						
							 Undisputed trade receivables – considered good  | 
						
							 1,761.41  | 
						
							 12.13  | 
						
							 1.83  | 
						
							 0.15  | 
						
							 0.60  | 
						
							 1,776.12  | 
					||||||
| 
							 ii)  | 
						
							 Undisputed trade receivables – which have significant increase in credit risk  | 
						
							 8.23  | 
						
							 3.28  | 
						
							 1.78  | 
						
							 0.63  | 
						
							 2.96  | 
						
							 16.88  | 
					||||||
| 
							 iii)  | 
						
							 Disputed trade receivables – considered good  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
					||||||
| 
							 iv)  | 
						
							 Disputed trade receivables – which have significant increase in credit risk  | 
						
							 –  | 
						
							 0.13  | 
						
							 0.78  | 
						
							 2.54  | 
						
							 22.87  | 
						
							 26.32  | 
					||||||
| 
							 1,769.64  | 
						
							 15.54  | 
						
							 4.39  | 
						
							 3.32  | 
						
							 26.43  | 
						
							 1,819.32  | 
					||||||||
