State Government Departments IOC Gujarat refinery June 21, 2013 by | Leave a Comment IOC Gujarat refinery The Gujarat Refinery at Koyali in Western India is IndianOil’s largest refinery. The refinery was commissioned in 1965-1966. Its facilities include five atmospheric crude distillation units. The major units include CRU, FCCU and the first Hydrocracking unit of the country. Website: https://www.iocl.com Read more » Address of IOC Gujarat refinery Email of IOC Gujarat refinery IOC Gujarat refinery Phone no of IOC Gujarat refinery Website of IOC Gujarat refinery what is IOC Gujarat refinery what is the work of IOC Gujarat refinery