Mangalore Refinery & Petrochemicals Limited (MRPL) was set up as a joint venture (JV) between the AV Birla Group and Hindustan Petroleum Corporation Limited (HPCL). It is now a subsidiary of Oil & Natural Gas Corporation(ONGC). The company is mainly engaged in the business of refining crude oil, petrochemical business, trading of aviation fuels and distribution of petroleum products through retail outlets and transport terminals.[1][2]