The first official population census of India was conducted in 1872 and every ten years since 1951 by the office of the Registrar General and Census Commissioner under the Ministry of Home Affairs.[3][4] The latest official census was conducted in 2011.[5]
As per Government of India, an urban agglomeration is a continuous urban spread constituting a town and its adjoining outgrowths (OGs), or two or more physically contiguous towns together with or without outgrowths of such towns. An Urban Agglomeration must consist of at least a statutory town and its total population should not be less than 20,000 as per the 2001 Census. In varying local conditions, there were similar other combinations that have been treated as urban agglomerations satisfying the basic condition of contiguity.[6] As per the 2011 census, there were 53 urban agglomerations or cities with population of 1 million and above.[7]
List
Following is the list of urban agglomerations in India. The cities/urban agglomerations which are listed in bold are either the capital of the respective state or union territory or the capital is part of the respective urban agglomeration.