Statement showing 1971 Territorial Units constituting the present set up of west Bengal, Number of villages with a population of 5,000 and over and Towns with a population of under 5,000, Houseless and Institutional population, Decadal variation in population since, Village classified by population, Towns and urban agglomeration Classified by population in 1971 with variation since, Towns and Urban Agglomerations, New Towns added in 1971 and towns in 1961 declassified in 1971 Explanatory Notes of Appendix I to Table, Changes in area and Population of towns between 1961 and 1971 reason for change in area, Standard Urban Areas