Top five iron ore producing companies of the world
#0183;#32;Iron ore mining (Credit: Bishnu Sarangi/Pixabay) During the past five years, NMDC has been a valuable contributor to the Indian mineral sector. The Bailadila range in the jungle land of Bastar, in the state of Chhattisgarh, is its main source of iron ore and is believed to contain 1,200 million tonnes of highgrade iron ore.