| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment | 702.61a | 596.24a |
| Right of use assets | 50.9a | 43.69a |
| Capital work-in-progress | 126.79a | 115.61a |
| Goodwill | 16.51a | 17.57a |
| Other intangible assets | 13.72a | 14.59a |
| Investments accounted for using the equity method | 128.94a | 129.84a |
| Financial assets | — | — |
| Other investments | 21.2a | 18.55a |
| Trade receivables | 12.23a | 2.73a |
| Loans | 0.02a | 0.02a |
| Finance lease receivables | 5.27a | 5.62a |
| Other financial assets | 21.69a | 20.85a |
| Non-current tax assets (net) | 7.46a | 5.86a |
| Deferred tax assets (net) | 5.18a | 4.99a |
| Other non-current assets | 83.94a | 51.74a |
| Total non-current assets | 1,196.46a | 1,027.89a |
| Current assets | — | — |
| Inventories | 45.72a | 44.2a |
| Financial assets | — | — |
| Investments | 13.02a | 14.78a |
| Trade receivables | 57.1a | 74.02a |
| Unbilled revenue | 27.37a | 25.52a |
| Cash and cash equivalents | 48.62a | 33.24a |
| Bank balances other than above | 68.89a | 58.28a |
| Loans | 0.12a | 0.11a |
| Finance lease receivables | 0.74a | 0.66a |
| Other financial assets | 6.56a | 4.71a |
| Current tax assets (net) | | 0.08a |
| Other current assets | 19.41a | 17.04a |
| Total current assets | 287.57a | 272.64a |
| Assets classified as held for sale | 11.45a | 12.01a |
| Total assets before regulatory deferral account | 1,495.48a | 1,312.55a |
| Regulatory deferral account - assets | 71.64a | 82.99a |
| Total assets | 1,567.11a | 1,395.53a |
| Equity | — | — |
| Equity share capital | 3.2a | 3.2a |
| Other equity | 355.21a | 320.36a |
| Equity attributable to shareholders of the parent company | 358.41a | 323.55a |
| Non-controlling interests | 67.65a | 59.77a |
| Total equity | 426.06a | 383.33a |
| Liabilities | — | — |
| Non-current liabilities | — | — |
| Financial liabilities | — | — |
| Borrowings | 441.3a | 373.92a |
| Lease liabilities | 41.96a | 37.42a |
| Other financial liabilities | 6.74a | 5.47a |
| Provisions | 25.49a | 18.65a |
| Deferred tax liabilities (net) | 41.04a | 27.72a |
| Other non-current liabilities | 129.31a | 119.73a |
| Total non-current liabilities | 685.83a | 582.92a |
| Current liabilities | — | — |
| Financial liabilities | — | — |
| Borrowings | 140.16a | 120.88a |
| Lease liabilities | 5.24a | 4.67a |
| Acceptances | 51.3a | 53.17a |
| Trade payables | — | — |
| Total outstanding dues of micro enterprises and small enterprises | 7.84a | 8.7a |
| Total outstanding dues of creditors other than micro enterprises and small enterprises | 80.7a | 79.06a |
| Other financial liabilities | 124.27a | 109.85a |
| Provisions | 4.38a | 2.94a |
| Current tax liabilities (net) | 2.08a | 2.92a |
| Other current liabilities | 36.72a | 38.8a |
| Total current liabilities | 452.7a | 420.99a |
| Liabilities directly associated with assets classified as held for sale | 1.14a | 1.14a |
| Total liabilities before regulatory deferral account | 1,139.67a | 1,005.04a |
| Regulatory deferral account - liability | 1.39a | 7.16a |
| Total equity and liabilities | 1,567.11a | 1,395.53a |