| Note | 2010 | 2009 | |
| ASSETS | |||
| Current assets | |||
| Cash and cash equivalents | 2.1 | 12,111 | 10,993 |
| Available-for-sale financial assets | 2.2 | 2,556 | – |
| Investment in certificates of deposit | 1,190 | – | |
| Trade receivables | 3,494 | 3,672 | |
| Unbilled revenue | 841 | 750 | |
| Derivative financial instruments | 2.7 | 95 | – |
| Prepayments and other current assets | 2.4 | 641 | 411 |
| Total current assets | 20,928 | 15,826 | |
| Non-current assets | |||
| Property, plant and equipment | 2.5 | 4,439 | 4,665 |
| Goodwill | 2.6 | 829 | 692 |
| Intangible assets | 2.6 | 56 | 35 |
| Deferred income tax assets | 2.17 | 346 | 408 |
| Income tax assets | 2.17 | 667 | 274 |
| Other non-current assets | 2.4 | 347 | 262 |
| Total non-current assets | 6,684 | 6,336 | |
| Total assets | 27,612 | 22,162 | |
| LIABILITIES AND EQUITY | |||
| Current liabilities | |||
| Trade payables | 10 | 27 | |
| Derivative financial instruments | 2.7 | – | 114 |
| Current income tax liabilities | 2.17 | 724 | 581 |
| Client deposits | 8 | 5 | |
| Unearned revenue | 531 | 331 | |
| Employee benefit obligations | 2.8 | 131 | 104 |
| Provisions | 2.9 | 82 | 92 |
| Other current liabilities | 2.10 | 1,707 | 1,471 |
| Total current liabilities | 3,193 | 2,725 | |
| Non-current liabilities | |||
| Deferred income tax liabilities | 2.17 | 114 | – |
| Employee benefit obligations | 2.8 | 171 | 187 |
| Other non-current liabilities | 2.10 | 61 | 56 |
| Total liabilities | 3,539 | 2,968 | |
| Equity | |||
| Share capital-Rs. 5 par value 600,000,000 equity shares authorized, issued and outstanding 570,991,592, net of treasury shares and 572,830,043 as of March 31, 2010 and 2009, respectively | 286 | 286 | |
| Share premium | 3,047 | 2,944 | |
| Retained earnings | 20,668 | 15,972 | |
| Other components of equity | 72 | (8) | |
| Total equity attributable to equity holders of the Company | 24,073 | 19,194 | |
| Total liabilities and equity | 27,612 | 22,162 |