Government today said oil subsidy bill will go up this year if global crude oil prices rise above the current levels of 90 US dollars a barrel. Finance Secretary Ashok Chawla told reporters in New Delhi that government had doled out 26,000 crore rupees in 2009-2010 to make up for more than half of the revenue loss of state retailers due to selling auto and cooking fuel below imported cost. This year, it has already committed to giving 13,000 crore out of the 31,367 crore rupees revenues state retailers loston selling diesel, domestic LPG and kerosene below cost. He said, at current price levels, Indian Oil Corporation, Hindustan Petroleum and Bharat Petroleum Corporation are projected to lose 68,361 crore rupees and oil ministry expects at least half of them to be made up by the finance ministry. Oil prices have risen as freezing weather in the northern hemisphere has increased energy demand for heating. The spurt has resulted in the difference between domestic retail and international benchmark prices widening. While the government deregulated petrol prices in June this year, state-owned firms continue to sell diesel, domestic LPG and kerosene below cost to keep inflation in check. Mr Chawla, however, was confident of maintaining the fiscal deficit at the projected 5.5 per cent of GDP.