Coal India LimitedAn Overview | PPT SlideShare
2. HISTORY Indian government nationalised coal industry in the 1970's. By 1972, it acquired most of the coking coal mines in India. To consolidate the business of the coking non coking in coal under one entity, a formal holding company in the form of Coal India Limited(CIL) was formed. The Coal India formed in the November 1975. The government of India held 100% of its shares form 1975 to ...