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Under the recommendation of the Seventh Central Pay Commission, the CCA classification was abolished in 2008. The earlier HRA classification of cities was changed from A-1 to X; A, B-1, and B-2 to Y; and C and unclassified cities to Z. [2] [3] [4] X, Y, and Z are more commonly known as Tier-1, Tier-2, and Tier-3 cities, respectively.
For example, city status in the United Kingdom historically arose from its place in the ecclesiastic hierarchy. (In modern times, city status is awarded for secular reasons but without reference to size.) Thus, some cathedral cities in England (e.g., Ely, Cambridgeshire) have a much smaller populations than some towns (e.g., Luton). In some ...
The urban hierarchy ranks each city based on the size of population residing within the nationally defined statistical urban area. Because urban population depends on how governments define their metropolitan areas, urban hierarchies are conventionally ranked at the national level; however, the ranking can be extended globally to include all cities.
In the decade of 1991–2001, migration to major cities caused rapid increase in urban population. [7] [8] The number of Indians living in urban areas has grown by 31.2% between 1991 and 2001. [9] Yet, in 2001, over 70% lived in rural areas.
There are classifications of cities and towns on many different criteria for various purposes. Even the classification for HRA and CCA was different - While one was based on the population of the core city, the other was based on the population of the Urban Agglomeration(UA). The income tax laws have a different classifications.
RBI defines rural areas as those areas with a population of less than 49,000 (tier -3 to tier-6 cities). [11] It is generally said that the rural areas house up to 70% of India's population. Rural India contributes a large chunk to India's GDP by way of agriculture, self-employment, services, construction etc.
Cities are a key contributor to climate change because urban activities are a major source of greenhouse gas emissions. It was estimated that cities are responsible for about 75% of global carbon dioxide emissions, with the inclusion of transportation and buildings being the largest contributor. [ 9 ]
City: or Class I Town: Towns with population of 100,000 and above are called cities. [1] As of 2011, there are six municipal corporations and eight municipalities in the state with populations above 100,000. [2] Class II Towns: Towns with population between 50,000 and 99,999 [3] Class III Towns: Towns with population between 20,000 and 49,999 [3]