Explanation:

The Numaligarh Refinery is located at Morangi, Golaghat district, Assam in India is a refinery owned by Numaligarh Refinery Limited, a joint venture between Bharat Petroleum (61.65%), Oil India (26%) and Govt of Assam (12.35%). It opened in 1999. As of 2014, it had a capacity of 3 million metric tonnes per year. In January 2019, the Cabinet Committee on Economic Affairs approved plans to increase the refinery's capacity to 9 million metric tonnes per year.