| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment | 70,202.4a | 69,163.9a |
| Capital work-in-progress | 39,614.9a | 27,449.5a |
| Intangible assets | 3,624.9a | 3,864.4a |
| Intangible assets under development | 6,115.9a | 5,239.7a |
| Financial assets | — | — |
| Investments | — | — |
| Investments in joint ventures | 1,686.5a | 2,131.4a |
| Other investments | 0.3a | 0.3a |
| Trade receivables | 0a | 0a |
| Loans | 794a | 823.9a |
| Other financial assets | 178.1a | 215.5a |
| Current tax assets (net) | 2,601.1a | 6,344.9a |
| Other non-current assets | 6,217.4a | 8,021.2a |
| Total non-current assets | 131,035.5a | 123,254.7a |
| Current assets | — | — |
| Inventories | 18,297.2a | 18,402.2a |
| Financial assets | — | — |
| Investments | 1,729.1a | 1,455.8a |
| Trade receivables | 1,535a | 913.3a |
| Cash and cash equivalents | 434.9a | 632.9a |
| Bank balances other than (iii) above | 25,316.6a | 20,542.1a |
| Loans | 280.5a | 333.1a |
| Other financial assets | 784a | 495.8a |
| Current tax assets (net) | 2,386.9a | 284.9a |
| Other current assets | 10,534.6a | 9,944.9a |
| Total current assets | 61,298.8a | 53,005a |
| Non-current assets held for sale | 16a | 6.4a |
| Total assets | 192,350.3a | 176,266.1a |
| Equity and liabilities | — | — |
| Equity | — | — |
| Equity share capital | 9,183.2a | 9,183.2a |
| Other equity | 134,697.7a | 122,080.5a |
| Total equity | 143,880.9a | 131,263.7a |
| Liabilities | — | — |
| Non-current liabilities | — | — |
| Financial liabilities | — | — |
| Lease liabilities | 510a | 509.9a |
| Trade payables | — | — |
| Dues of micro and small enterprises | 0a | 0a |
| Dues of creditors other than micro and small enterprises | 183.1a | 109.8a |
| Other financial liabilities | 2,867.1a | 1,800a |
| Provisions | 1,705.7a | 1,008.3a |
| Deferred tax liabilities (net) | 8,414.3a | 9,577.7a |
| Other non-current liabilities | 3,012.4a | 3,140.2a |
| Total non-current liabilities | 16,692.6a | 16,145.9a |
| Current liabilities | — | — |
| Financial liabilities | — | — |
| Borrowings | 391.6a | 477.5a |
| Lease liabilities | 62.2a | 58.7a |
| Dues of micro and small enterprises | 1,752.9a | 1,454.7a |
| Dues of creditors other than micro and small enterprises | 13,209.6a | 11,178.7a |
| Other financial liabilities | 7,357.9a | 6,204.1a |
| Other current liabilities | 6,728.9a | 7,693.2a |
| Provisions | 1,733.9a | 1,468.9a |
| Current tax liabilities (net) | 539.8a | 320.7a |
| Total current liabilities | 31,776.8a | 28,856.5a |
| Total liabilities | 48,469.4a | 45,002.4a |
| Total equity and liabilities | 192,350.3a | 176,266.1a |