Coal Mines In Dhanbad Jharkhand _Large crusher manufacturers
Dhanbad along with its adjacent urban areas ranks 42nd in population amongst other cities in India. Coal mining in India Wikipedia. Coal mining in India began in 1774 when John Sumner and Suetonius Grant Heatly of the East India Company commenced commercial exploitation in the Raniganj Coalfield along the Western bank of Damodar river.