Mathura Refinery was commissioned in 1982 with a capacity of 6.0 MMTPA to meet the demand of petroleum products in north western region of the country, which includes National Capital Region. Refinery is located along the Delhi-Agra National Highway about 154 km away from Delhi.
Barauni Refinery was built in collaboration with Russia and Romania. Situated 125 kilometeres from Patna, it was built with an initial cost of Rs 49.40 crore. Barauni Refinery was commissioned in 1964 with a refining capacity of 1 Million Metric Tonnes per Annum (MMTPA).
Guwahati Refinery is the India's first Public Sector Refinery serving the nation since 1962. Built with Rumanian assistance, the initial crude processing capacity at the time of commissioning was 0.75 MMTPA and the Refinery was designed to process indigenous Assam Crude.
The small town of Digboi in the remote north eastern corner of the country is the birth place of the Oil Industry in India. Digboi Refinery, commissioned on 11 December 1901, is India's oldest operating refinery and one of the oldest operating refineries in the world.
Oil PSUs namely Indian Oil Corporation Limited (IOCL), Bharat Petroleum Corporation Limited (BPCL) and Hindustan Petroleum Corporation Limited (HPCL) have decided to set up an integrated refinery-cum-petrochemical complex with a refining capacity of 60 MMTPA (million metric tonnes per annum) at Babulwadi, Taluka Rajapur in Ratnagiri District in the state of Maharashtra with an estimated investment of Rs. 3 lakh crore.