National Aluminium Company Limited (abbreviated as NALCO; incorporated in 1981) is a government company having integrated and diversified operations in mining, metal and power under the ownership of the Ministry of Mines and Government of India. Presently, the Government of India holds a 51.5% equity in NALCO. It is one of the largest integrated bauxite–alumina–aluminium–power complex in the country, encompassing bauxite mining, alumina refining, aluminium smelting and casting, power generation, rail and port operations.[1]