Coal India Limited, together with its subsidiaries, engages in the production and marketing of coal and coal products in India. The company offers coking coal for use in steel making and metallurgical industries, and for hard coke manufacturing; and semi coking coal that is used as blend-able coal in steel making, merchant coke manufacturing, and other metallurgical industries. It also provides non-coking coal that is used as thermal grade coal for power generation, as well as for cement, fertilizer, glass, ceramic, paper, chemical, and brick manufacturing, and other heating purposes. In addition, the company offers washed and beneficiated non-coking coal for use in power generation; beneficiated non-coking coal for use in cement, sponge iron, and other industrial plants; and middling products for power generation and by domestic fuel plants, brick manufacturing units, cement plants, industrial plants, etc. Further, it provides rejects that are used for fluidized bed combustion boilers for power generation, road repairs, briquette making, land filling, etc.; CIL/LTC coke used in furnaces and kilns of industrial units, as well as used as domestic fuel by halwais, hotels, etc.; coal/coke fines used in industrial furnaces, as well as for domestic purposes; and tar, heavy oil, light oil, and soft pitch used in furnaces and boilers of industrial plants, as well as power houses, oil, dye, pharmaceutical industries, etc. The company was incorporated in 1973 and is headquartered in Kolkata, India.