Top 10 Mining companies in India
Dec 04, 2013· Hindustan Copper limited is a Government company working under the Ministry of Mines. It was established in year 1967 and has established mines and metal refinery work at Khetri, Rajasthan and Rakha, Jharkhand. The company is a well known name in mining industry in India and also produces gold, silver, tellurium and nickel sulphate.