Hindustan Petroleum Corporation Limited(HPCL) (BSE:\xa0500104,\xa0NSE:\xa0HINDPETRO) is an Indian state-owned\xa0oil\xa0and\xa0natural gascompany with its headquarters at\xa0Mumbai, Maharashtra. It has about 25% market-share in India among public-sector companies (PSUs) and a strong marketing infrastructure.\xa0Oil and Natural Gas Corporation\xa0owns 51.11% shares in HPCL and others are distributed amongst financial institutes, public and other investors. The company is ranked 367th on the\xa0Fortune Global 500\xa0list of the world's biggest corporations as of 2016.