Oil and Natural Gas Corporation has sought permission from the government to end the discount it offers on crude oil from its offshore assets to domestic state-run refiners. Of ONGC’s 17-million-tonne annual crude output from various offshore fields, it supplies 13 million tonne to Indian Oil and its subsidiaries, Hindustan Petroleum Corporation Ltd. and Bharat Petroleum Corporation. ONGC sells crude to state run refiners at $2-5 a barrel less than the landed cost of bonny light crude. Meanwhile, ONGC subsidiary Mangalore Refinery and Petrochemicals Ltd. imports crude for processing. (Source: Business Standard)