Indian Oil Corporation, ONGC and NTPC emerged as the top three most profitable PSUs in 2017-18, while BSNL, Air India and MTNL incurred the highest losses for the second consecutive year, according to a survey report tabled in Parliament on December 27.

The Public Enterprises Survey 2017-18, which mapped the performance of central public sector enterprises (CPSEs), revealed that the top 10 loss-making PSUs claimed 84.71 per cent of the total losses made by all 71 loss-making CPSEs.

The three star performers, including Indian Oil Corporation, Oil & Natural Gas Corporation (ONGC) and NTPC, contributed 13.37 per cent, 12.49 per cent and 6.48 per cent, respectively to the total profit earned by CPSEs during 2017-18, the survey revealed.

Coal India and Power Grid Corporation occupied the fourth and fifth spots in the list of top 10 profit-making CPSEs in 2017-18.

The three worst-performing PSUs, including BSNL, Air India and MTNL, contributed 52.15 per cent of the total loss incurred by CPSEs in 2017-18.

Power Finance Corporation entered the list of the top 10 profit-making CPSEs, while Mangalore Refinery & Petrochemicals Ltd has not featured in the latest list.

The top 10 profit-making CPSEs accounted for 61.83 per cent of the total profit earned by all 184 profit-making state-owned firms during the year.

Bharat Coking Coal Ltd incurred huge losses in 2017-18 and has entered the list of top 10 loss-making CPSEs, while India Infrastructure Finance Co. and Eastern Coalfields, which were profit-making PSUs till 2016-17, have started making losses and featured in the list of the top 10 loss-making state-owned firms during 2017-18.