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ONGC, CEAT Tyres, GSFC
ONGC Oil Behemoth Oil and Natural Gas Corporation (ONGC) was incorporated in June 1993, after the reorganisation of Oil and Natural Gas Commission as a limited company. ONGC produces a range of marketable products like petroleum, crude oil, natural gas, aromatics rich naphtha, liquefied petroleum gas (LPG), superior kerosene and ethane-propane. It has a monopoly in India