B.N. Pan
Jharia coalfield in Dhanbad district of Jharkhand state occupies an important place not only in the coal mining history of the country but also the globe due to typical features of the coal deposits. In the country this coalfield is the only source of prime coking coal and the coalfield has been serving the nation for about 110 years. Coal mining in the coalfield was stated in 1893-94. The coalfield belonging to Gondwana period has a unique feature that in a ...