The administrative unit below a District that is the sub-district is called Block. It may be the same as tehsil, taluk, police station etc as each state as its own nomenclature.

A ward is a subdivision of a Municipality area.

A neighborhood is defined as municipal ward as per census 2011 or in certain cases the adjoining wards are clubbed together to form a neighbourhood.

"An Urban Agglomeration is a continuous urban spread constituting a town and its adjoining urban outgrowths (OGs) or two or more physically contiguous towns together and any adjoining urban outgrowths of such towns. Examples of OGs are railway colonies, university campuses, port areas, etc., that may come up near a city or statutory town outside its statutory limits but within the revenue limits of a village or villages contiguous to the town or city. Each such individual area by itself may not satisfy the minimum population limit to qualify it to be treated as an independent urban unit but may deserve to be clubbed with the town as a continuous urban spread."

"Metros (5 metros) - Delhi, - Mumbai - Chennai - Kolkata - Bangalore"

Mini-metros (5 Mini Metros) - Hyderabad, Ahmedabad, Pune, Coimbatore and Chandigarh

Tier 1 Towns (39 towns) - all towns with population more than 10 lakh

Tier 2 Towns (29 towns) - all towns with population more than 6 lakh but less than 10 lakh

Tier 3 Towns (166 towns) - all towns with population more than 2 lakh but less than 6 lakh

Tier 4 Towns (280 towns) - all towns with population more than 1 lakh but less than 2 lakh

Peri-urban Markets - Large towns (626 towns) - consist of all towns of population less than 1 lakh but more than 50,000

Peri-urban Markets - Medium towns (1970 towns) - consist of all towns of population less than 50,000 but more than 20,000

Peri-urban Markets - Small towns (2167 towns) - consist of all towns of population less than 20,000 but more than 10,000

Peri-urban Markets - Very Small towns (2517 towns) - consist of all towns of population less than 10,000

"Scheduled Banks in India constitute those banks which have been included in the Second Schedule of Reserve Bank of India (RBI) Act, 1934. RBI in turn includes only those banks in this schedule which satisfy the criteria laid down vide section 42 (6) (a) of the Act."

District Cooperative Central Bank is a cooperative banking network established in India to serve cooperatives and rural areas. It was established to provide banking to rural hinterland for agriculture sector with the branches primarily established at rural and semi-urban areas.

"Census Town-Towns which are not notified by the by the concerned State/UT Government and have local bodies like municipal corporations, municipalities, municipal committees, etc but satifies the following criterion are defined as Census Towns: i) A minimum population of 5000; ii) At least 75 per cent of the male main working population engaged in non-agricultural pursuits; & iii) A density of population of at least 400 persons per sq. km. "

Out Growth should ideally be a viable unit such as a village or part of village contiguous to a statutory town and possess the urban features in terms of infrastructure and anemitites such as pucca roads, electricity, taps, drainage systems, education institutions, post offices, medical facilities, banks etc.Examples of OG are Railway colonies, University campuses, Port areas, they may come up near a city or statutory towns outside its statutory limit but within the revenue limit of a village or villages contagious to the town or city.

Cantonment Board

Municipal Council