NMDC Limited, formerly National Mineral Development Corporation, is an Indian public sector undertaking involved in the exploration of iron ore, rock, gypsum, magnesite, diamond, tin, tungsten, graphite, coal etc. It is India's largest iron ore producer and exporter, producing more than 45 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.[4]
Operating mines
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.[7]
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 production of float/sheet glass.