sapta indra mining - contacteng.co.za
Raniganj Coalfield, is the birth place of coal mining in the country. In 1774, first mining operation in the country was started in this Coalfield by Sumner & Healy. In 1820, first Coal Company- M/s. Alexander & Company was established. In 1835, first Indian Enterprise i.e. M/s. Carr & Tagore Company was formed.