Coalfields of North Eastern India - India. Geological Survey Government of India (Kolkata ) .; Sudip Bhattacharyya; Nabanita Nandy; Geological Survey Government of India (Kolkata ) . (Kolkata : Geological Survey Government of India (Kolkata ) ., 2016)
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Keywords: Coalfields - -- India, Northeastern; Coal mines and mining; Coal mines and mining - -- India , Northeastern