Answer: 22
Notes: As of April 1, 2025, India has 22 operational oil refineries. Total installed capacity is 258.1 million metric tonnes per annum. Of these, 18 are public sector, 3 are in the private sector, and 1 is a joint venture. The Petroleum Planning & Analysis Cell lists this operational count. Cauvery Basin Refinery is under augmentation and not included among operational units.
