| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment | 1,971,620.3a | 1,921,595.2a |
| Capital work-in-progress | 737,404.1a | 573,168.6a |
| Goodwill - on consolidation | 10.4a | 10.4a |
| Intangible assets | 39,791a | 38,372.3a |
| Intangible assets under development | 41,808.7a | 37,155.6a |
| Investments accounted for using the equity method | 213,920.4a | 180,970a |
| Financial assets | — | — |
| Investments | 354,575.5a | 370,650.4a |
| Loans | 32,234.4a | 25,869.8a |
| Other financial assets | 23,368.6a | 23,608a |
| Income tax assets (net) | 15,897.3a | 18,279.8a |
| Other non-current assets | 61,608.3a | 49,513.7a |
| Non-current assets | 3,492,239a | 3,239,193.8a |
| Current assets | — | — |
| Inventories | 1,138,784.9a | 1,213,758.3a |
| Financial assets | — | — |
| Investments | 103,689.1a | 103,798.6a |
| Trade receivables | 185,509.6a | 138,314.5a |
| Cash and cash equivalents | 6,731.7a | 12,465.9a |
| Bank balances other than above | 26,317.7a | 19,104.6a |
| Loans | 6,287.6a | 4,929.4a |
| Other financial assets | 22,594.6a | 27,609.9a |
| Current tax assets | 7,250.5a | 8.2a |
| Other current assets | 64,147.3a | 52,122.5a |
| Current assets | 1,561,313a | 1,572,111.9a |
| Assets held for sale | 15,118.5a | 12,314.3a |
| Total assets | 5,068,670.5a | 4,823,620a |
| Equity and liabilities | — | — |
| Equity | — | — |
| Equity share capital | 137,715.6a | 137,715.6a |
| Other equity | 1,727,157.6a | 1,696,447.1a |
| Non controlling interest | 45,373.4a | 47,467.1a |
| Equity | 1,910,246.6a | 1,881,629.8a |
| Non-current liabilities | — | — |
| Financial liabilities | — | — |
| Borrowings | 517,557.5a | 467,929a |
| Lease liabilities | 65,786.5a | 63,319.9a |
| Other financial liabilities | 1,994.3a | 2,331.1a |
| Provisions | 14,066.3a | 14,148.2a |
| Deferred tax liabilities (net) | 206,649.6a | 189,607a |
| Other non-current liabilities | 46,225.6a | 40,615.7a |
| Non-current liabilities | 852,279.8a | 777,950.9a |
| Current liabilities | — | — |
| Financial liabilities | — | — |
| Borrowings | 908,041.5a | 766,606.7a |
| Lease liabilities | 31,320.1a | 28,420a |
| Trade payables | — | — |
| Total outstanding dues of micro and small enterprises | 14,224.9a | 14,237a |
| Total outstanding dues of creditors other than micro and small enterprises | 591,124.5a | 580,304a |
| Other financial liabilities | 512,879.9a | 506,049.1a |
| Other current liabilities | 147,876.3a | 152,408.5a |
| Provisions | 100,127.4a | 106,282.6a |
| Current tax liabilities | 399.7a | 9,543.7a |
| Current liabilities | 2,305,994.3a | 2,163,851.6a |
| Liabilities directly associated with the assets held for sale | 149.8a | 187.7a |
| Total equity and liabilities | 5,068,670.5a | 4,823,620a |