ONGC subsidiary Mangalore Refinery and Petrochemicals Limited (MRPL) is a schedule ‘A’ Miniratna, Central Public Sector Enterprise (CPSE) under the Ministry of Petroleum & Natural Gas. MRPL is located in a beautiful hilly terrain, north of Mangaluru city, in Dakshina Kannada District of Karnataka State (India). The 15.0MMTPA (Million Metric Ton per annum) Refinery has got a versatile design with complex secondary processing units and a high flexibility to process Crudes of various API, delivering a variety of quality products.

MRPL, with its parent company Oil and Natural Gas Corporation Limited (ONGC), owns and operates ONGC Mangalore Petrochemicals Limited (OMPL), a petrochemical unit capable of producing 0.905 MMTPA of Para Xylene and 0.273 MMTPA of Benzene.

Before acquisition by ONGC in March 2003, MRPL, was a joint venture Oil Refinery promoted by M/s Hindustan Petroleum Corporation Limited (HPCL), a public sector company and M/s Indian Rayon and industries limited(IRIL) (AV Birla Group). MRPL was set up in 1988 with the initial processing capacity of 3.69 MMTPA that was later expanded to the present capacity of 15.0 MMTPA. The Refinery was conceived to maximize distillates, with capability to process light to heavy and sour to sweet Crudes with 24 to 46 API gravity. On 28th March 2003, ONGC acquired the total shareholding of A.V. Birla Group and further infused equity capital of Rs.600 crores thus making MRPL a majority held subsidiary of ONGC.