The book explains the basic concepts of river water quality index, river environments, shifting of river courses, dams and barrages - their merits and demerits, mutual interdependence of river and society etc. in the typical geomorphic set up of West Bengal. In India, West Bengal is a riverine state due to the towering Himalayas to the north and the Bay of Bengal to the south. In between the mountain and sea, due to the location of the Gangetic...