NMDC Limited, (formerly National Mineral Development Corporation), is an Indian public sector mineral producer. It is 69.65% owned by the Government of India, under the administrative control of the Ministry of Steel. It is involved in the exploration of iron ore, copper, rock phosphate, limestone, dolomite, gypsum, bentonite, magnesite, diamond, tin, tungsten, graphite, etc.
It is India’s largest iron ore producer and exporter, producing more than 35 million tonnes of iron ore from three mechanized mines in Chhattisgarh and Karnataka. It also operates the only mechanized diamond mine in the country at Panna in Madhya Pradesh.
NMDC Ltd. is diversified into other raw materials for the steel industry such as low silica limestone. Production of dead burnt magnesite and further value addition is under study through its subsidiary J K Mineral Development Corporation Limited.
NMDC Ltd. has taken over a silica sand mining and beneficiation project from Uttar Pradesh State Mineral Development Corporation Ltd. The plant is designed to produce beneficiated high purity silica sand to a capacity of 300,000 tonnes per year as the raw material for the production of float/ sheet glass.