Top 5+ Largest Oil Refinery Company in India 2020
Which is the Oldest Oil Refinery in India? or Which is the Oldest Refinery in India? Digboi Refinery, commissioned on 11th December 1901 by Assam Oil Company Ltd, is India’s oldest refinery and one of the oldest refineries in the world. Digboi refinery is known as the birthplace of the Oil Industry in India. Where…