| 
							 4  Intangible assets  | 
					||||||||||||||||||
| 
							 (₹ In Crore)  | 
					||||||||||||||||||
| 
							 Particulars  | 
						
							 Gross block  | 
						
							 Amortisation  | 
						
							 Net block  | 
					|||||||||||||||
| 
							 As at 1 April 2023  | 
						
							 Additions  | 
						
							 Deductions/ adjustments  | 
						
							 As at 31 March 2024  | 
						
							 As at 1 April 2023  | 
						
							 Deductions  | 
						
							 For the year  | 
						
							 As at 31 March 2024  | 
						
							 As at 31 March 2024  | 
					||||||||||
| 
							 
  | 
						||||||||||||||||||
| 
							 Intangible assets  | 
						||||||||||||||||||
| 
							 Technical know-how developed/acquired  | 
						
							 131.29  | 
						
							 –  | 
						
							 –  | 
						
							 131.29  | 
						
							 100.59  | 
						
							 –  | 
						
							 18.79  | 
						
							 119.38  | 
						
							 11.91  | 
					|||||||||
| 
							 Total Intangible assets  | 
						
							 131.29  | 
						
							 –  | 
						
							 –  | 
						
							 131.29  | 
						
							 100.59  | 
						
							 –  | 
						
							 18.79  | 
						
							 119.38  | 
						
							 11.91  | 
					|||||||||
| 
							 
  | 
						||||||||||||||||||
| 
							 Intangible assets under development  | 
						
							 –  | 
						
							 3.20  | 
						
							 3.20  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 3.20  | 
					||||||||||
(a) No revaluation has been done during the year with respect to intangible assets.
| 
							 4  Intangible assets  | 
					||||||||||||||||||
| 
							 (₹ In Crore)  | 
					||||||||||||||||||
| 
							 Particulars  | 
						
							 Gross block  | 
						
							 Amortisation  | 
						
							 Net block  | 
					|||||||||||||||
| 
							 As at 1 April 2022  | 
						
							 Additions  | 
						
							 Deductions/ adjustments  | 
						
							 As at 31 March 2023  | 
						
							 As at 1 April 2022  | 
						
							 Deductions  | 
						
							 For the year  | 
						
							 As at 31 March 2023  | 
						
							 As at 31 March 2023  | 
					||||||||||
| 
							 
  | 
						||||||||||||||||||
| 
							 Intangible assets  | 
						||||||||||||||||||
| 
							 Technical know-how developed/acquired  | 
						
							 95.56  | 
						
							 35.73  | 
						
							 –  | 
						
							 131.29  | 
						
							 70.24  | 
						
							 –  | 
						
							 30.35  | 
						
							 100.59  | 
						
							 30.70  | 
					|||||||||
| 
							 Total Intangible assets  | 
						
							 95.56  | 
						
							 35.73  | 
						
							 –  | 
						
							 131.29  | 
						
							 70.24  | 
						
							 –  | 
						
							 30.35  | 
						
							 100.59  | 
						
							 30.70  | 
					|||||||||
| 
							 
  | 
						||||||||||||||||||
| 
							 Intangible assets under development  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
						
							 –  | 
					|||||||||
(a) No revaluation has been done during the year with respect to intangible assets.
