Net profit of Rs 8,268.98 crore, or Rs 34.90 a share, in April-June was 25.46 per cent higher than Rs 6,590.83 crore, or Rs 27.81 per share, in the same period a year ago, IOC Director (Refineries) Sanjiv Singh told reporters here.
"The highest first quarter profit was primarily due to rise in petrochemical margins and inventory gains," he said.
Petrochem margin rose Rs 446 crore to Rs 2,224 crore in Q1. Also there was an inventory gain of Rs 7,479 crore.
While refinery thruput rose 18.7 per cent to 16.099 million tonnes, domestic fuel sales was up 5.3 per cent to 20.415 million tonnes.
Singh said all of its Rs 1,331.69 crore revenue loss on sale of PDS kerosene during the quarter was reimbursed by the government.
Drop in oil price meant its revenue fell from Rs 1,14,200.24 crore for the quarter ended June 30, 2015 to Rs 1,07,670.95 crore in first quarter of current fiscal.