Net profit in October-December at Rs 604.08 crore was 64 per cent lower compared to Rs 1,679.4 crore in the same period a year ago, the company said in a statement.
The profit was impacted by "lower off take of long-term contracted LNG by power and fertiliser plants," it said.
Liquefied natural gas (LNG) from Qatar is imported on a long-term contract at close to USD 13 per million British thermal unit whereas the same fuel is available in the spot or current market at about USD 7. This has lead to a situation where users prefer buying spot LNG rather than Qatar gas.
Pre-tax profit from marketing of natural gas fell to one-tenth. It was Rs 505.36 crore in third quarter of previous fiscal and this year it was just Rs 51.14 crore.
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GAIL and other oil and gas producers like ONGC have to bear a portion of revenue that state retailers lose on selling LPG and kerosene at government controlled rates. GAIL had in the second quarter ended September 30 did not account for the Rs 500 crore fuel subsidy, which it has paid in the third quarter.
GAIL said profit was also lower due to reduction in domestic gas availability by over 5 million standard cubic meters per day and higher feedstock cost for petrochemicals.
Revenue fell from Rs 16,246.71 crore in quarter ended December 31, 2013, to Rs 15,109.7 crore in the third quarter of current fiscal.
While sale from petrochemical business increased by 7 per cent to Rs 1,246 crore, revenues from LPG and liquid hydrocarbons business fell to Rs 1,054 crore from Rs 1,933 crore in the corresponding period of last year.
GAIL said natural gas sales fell to 74.08 mmscmd from 79.74 mmscmd in third quarter of last fiscal.
It said the company board today could not take up payment of interim dividend for the 2014-15.