Indian Oil Corporation Limited (IOCL), d/b/a IndianOil, is an Indian public sector undertaking. It is under the administrative control of Ministry of Petroleum and Natural Gas, Government of India headquartered in New Delhi.Indian Oil’s business interests overlap the entire hydrocarbon value-chain, including refining, pipeline transportation, marketing of petroleum products, exploration and production of crude oil, natural gas and petrochemicals. Indian Oil has ventured into alternative energy and globalisation of downstream operations.
It has subsidiaries in Sri Lanka (Lanka IOC), Mauritius (IndianOil (Mauritius) Ltd) and the Middle East (IOC Middle East FZE)