State-owned Indian Oil Corporation (IOC) has received green nod for up-gradation of its Bongaigaon Refinery (BGR) for production of BS-VI grade fuels in Assam at a cost of Rs 4,185 crore. The company wants to upgrade its Bongaigaon Refinery as the government aims to implement BS-VI fuel in the entire country from April 2020 to curb pollution.

BGR, the eighth operating refinery of IOC, is situated at Dhaligaon in Chirang district, 200 km west of Guwahati. The environment ministry after taking into account the recommendations of its expert appraisal committee has granted the environment clearance (EC) to IOC for revamp of Bongaigaon refinery.

IOC is the largest enterprise in the country and the foremost ranked Fortune Global 500 Company in India and has presence in the complete hydrocarbon value chain from downstream refining & marketing, pipeline transportation, Petrochemicals, E&P and Gas Marketing.