Indian Oil Corporation Limited, or IndianOil, (BSE|530965, NSE|IOC) is an Indian state-owned oil and gas corporation with its headquarters in New Delhi, India. The company is the world's 83rd largest public corporation, according to the Fortune Global 500 list, and the largest public corporation in India when ranked by revenue. IndianOil and its subsidiaries account for a 49% share in the petroleum products market, 31% share in refining capacity and 67% downstream sector pipelines capacity in India. The IndianOil Group of Companies owns and operates 10 of India's 22 refineries with a combined refining capacity of 65.7 million metric tonnes per year. The President of India owns 78.92% (1.9162 billion shares) in the company.citation needed|date=August 2012 In FY 2012 IOCL sold 75.66 million tonnes of petroleum products and reported a PBT of INR37.54 billion, and the Government of India earned an excise duty of INR232.53 billion and tax of INR10.68 billion. It is one of the seven Maharatna status companies of India, apart from Coal India Limited, NTPC Limited, Oil and Natural Gas Corporation, Steel Authority of India Limited, Bharat Heavy Electricals Limited and Gas Authority of India Limited  Wikipedia