Coal India Limited is an Indian coal mining company. The company's field of activity is mainly coal mining and production and coal washing. Its product portfolio includes coking coal, semi-coking coal, non-coking coal, washed and enriched coal, medium coal, refractory coal, fine coal/coking coal, CIL coke/LTC coke and tar/heavy oil/light oil/ soft pitch . Its coking coal products are used in the steel and metallurgical industries. Its semi-coking coal products are used as blending coal in the steel industry, commercial coking and other metallurgical industries. Its non-coking coal products are used as thermal coal in power generation, as well as in the production of cement, fertilizers, glass, ceramics, paper, chemicals and bricks, as well as for other heating purposes. Its washed and enriched coal is used to make hard coke used in steel production. The company operates through its subsidiaries in approximately 85 mining districts across eight states in India.