Silent Departure : a study of contemporary tribal predicament in Bengal-Duars deals with the predicament of tribal peasants of the most interesting region of West Bengal tribal galaxy, 'Bengal-Duars'. The central focus of the book is to address tribal issues relevant to the socio-economic development on the basis of field survey.  While analyzing socio-economic achievements of the people, it brings vivid intra-society comparative studies in respect of community, class, village-setting etc. The book, through its wide ranging micro-level primary data, portray marginalization of the tribals, even in a slowly-urbanising region like sub-Himalayan Bengal.