Coal India Ltd.
Coal India Ltd. (COALINDIA) is a state-owned coal mining corporate headquartered in Kolkata, India. Established in 1975, it is the largest coal-producing company in the world and operates through various subsidiaries across eight Indian states. The company mainly engages in the extraction, production, and sale of coal and coal-based products. Its operations are crucial for fueling India's energy sector, providing coal to power plants, steel manufacturers, cement producers, and other industrial establishments.