New Delhi: The state-run firm Oil and Natural Gas Corporation Ltd. (ONGC) emerged out to be the highest PSU investor besides being the number one profit making company in 2009-10, according to a government survey.

Investment in terms of gross block (assets) for ONGC stood at Rs 1.71 lakh crore in 2009-10 and its net profit was Rs 16,785 crore, Public Enterprises survey revealed. Gross block (GB) is the value of a company's fixed assets plus depreciation.

Loss-incurring BSNL stood the second among the top PSU investors. Telecom player BSNL's investment on the same lines was Rs 1.66 lakh crore, despite a huge loss of Rs 1,657 crore that the company suffered last fiscal.

Maharatna company NTPC ranked third in the list of best performing PSUs both in terms of investment and net profit. Its investments, expressed in GB, stood at Rs 98,954 crore and net profit at Rs 8,650 crore, respectively, in 2009-10.

The survey revealed that the share of ONGC, BSNL and NTPC was 38.69 per cent in the total GB of all CPSEs, as on March 31, 2010.

IOC and Power Grid Corporation was fourth and fifth, in this respect.

SAIL and Nuclear Power Corporation of India was at sixth and seventh ranks, respectively, while NHPC at the eighth position.

However, loss-making PSUs Air India and MTNL were at ninth and tenth position, respectively.