The Sandur Manganese & Iron Ores Limited, together with its subsidiary, engages in the mining of manganese and iron ores in Deogiri village of Ballari District, Karnataka. It operates through three segments: Mining, Ferroalloys, and Coke and Energy. The company also manufactures and sells steel, ferroalloys and coke. In addition, it generates power through a 32-megawatt of cleaner by-product energy.