Coal India Limited(CIL) is an Government-controlled coal mining company headquartered in Kolkata and the world's largest coal miner with revenue exceeding 624.15 billion in FY 2012. It is the largest corporate employer with approx 3.8 lakh employees, contributing around 81% of the total coal production in india. It was formerly owned entirely by the Government of India, under the administrative control of the Ministry of Coal.In 2011, CIL was conferred the Maharatna status by the Union Government of India and ranked as one of India's most valuable company by market value. It is currently 90% owned by the Government of India with the remaining 10% owned by the public.

Coal India Limited(CIL) is an Government-controlled coal mining company headquartered in Kolkata and the world's largest coal miner with revenue exceeding 624.15 billion in FY 2012. It is the largest corporate employer with approx 3.8 lakh employees, contributing around 81% of the total coal production in india. It was formerly owned entirely by the Government of India, under the administrative control of the Ministry of Coal.In 2011, CIL was conferred the Maharatna status by the Union Government of India and ranked as one of India's most valuable company by market value. It is currently 90% owned by the Government of India with the remaining 10% owned by the public.