#IndianOil's Digboi Refinery, one of the oldest operating refinery in the world, is set to expand its capacity from 0.65 to 1.0 MMTPA, supporting #MakeInIndia initiative and driving regional growth in Assam. #DigboiRefinery #AtmanirbharBharat. #IndianOil #MakeInIndia #DigboiRefinery #AtmanirbharBharat