According to IndianOil, Digboi Refinery was commissioned on 11th December 1901 and is India’s oldest operating refinery and one of the oldest operating refineries in the world.
Latest Stories
States
Read all Indian states latest and breaking news, top stories, Events, politics, sports and technologies news. We cover all popular stats of India including Jammu Kashmir News, Madhya Pradesh News, Uttar Pradesh, west Bengal, Delhi and other as well.