Calcutta urban Agglomeration, Durgapur, Asansol Industrial Belt, Workers by main Categories, Decennial Growth rate of urban population, West Bengal, Progress in the number of towns by size classes of population, Indcies showing progress of Towns, Urban Population and urbanisation, Work Participation, Literacy, rural and urban composition of population, Distribution of main workers, Distribution of main workers by Cultivators, Agricultural labourers, Household Industry and other workers.