The year-wise state formation is listed below:
- 1956: Andhra Pradesh
- 1956: MP, Kerala, Karnataka
- 1960: Maharashtra, Gujarat
- 1963: Nagaland
- 1966: Haryana
- 1971: Himachal Pradesh
- 1972: Manipur, Meghalaya, Tripura
- 1975: Sikkim
- 1987: Goa, Arunachal Pradesh, Mizoram
- 2000: Chhattisgarh, Uttarakhand, Jharkhand
- 2014: Telangana
- 2019: Ladakh and J & K union territories.
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