IOC to invest $9.35 mn to raise Digboi refinery capacity

State-owned Indian Oil Corporation (IOC) will invest over $9.35 mn (Rs 740 crore) to raise the capacity of the nation’s oldest oil refinery at Digboi in Assam. IOC said its board has approved raising of Digboi refinery capacity from 0.65 million tonnes per annum to 1 million tonnes along with associated facilities at an estimated