Describe the distribution of coal in India.
(i)The major resources of Gondwana coal, which are metallurgical coal, are located in Damodar valley (West Bengal-Jharkhand). Jharia, Raniganj, Bokaro are important coalfields.
(ii)The Godavari, Mahanadi, Son and Wardha valleys also contain coal deposits.
(iii)Tertiary coals occur in the north eastern states of Meghalaya, Assam, Arunachal Pradesh and Nagaland.