Mangalore Refinery & Petrochemicals LTD - India | 12,745 followers on LinkedIn. 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 Million Metric Tonne 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.