- In 1956, there were fourteen States and six Union Territories.
- In 1953, Andhra Pradesh and in 1956 Kerala was created.
- In 1956, Karnataka was created.
- In 1960, Bombay was bifurcated into Gujarat and Maharashtra.
- In 1963, Nagaland was created as separate state.
- In 1966, Haryana was created out of Punjab and Chandigarh became a Union Territory.
- In 1970, the Union Territory of Himachal Pradesh was elevated to the status of a state.
- In 1971, Manipur, Tripura, and Meghalaya were granted statehood.
- In 1974, Sikkim became an associate state of the Indian Union. By the 36th Constitutional Amendment Act (1975), Sikkim became a full fledged state of the Indian Union.
- In 1986, Mizoram and Arunachal Pradesh came into being.
- In 1987, Goa came into existence.
- In 2000, three more new states; Chhattisgarh, Uttarakhand and Jharkhand were created.
- On 2nd June, 2014 'Telangana' state came into existence after reorganisation of Andhra Pradesh.
- In 1956, there were fourteen States and six Union Territories.
- In 1953, Andhra Pradesh and in 1956 Kerala was created.
- In 1956, Karnataka was created.
- In 1960, Bombay was bifurcated into Gujarat and Maharashtra.
- In 1963, Nagaland was created as separate state.
- In 1966, Haryana was created out of Punjab and Chandigarh became a Union Territory.
- In 1970, the Union Territory of Himachal Pradesh was elevated to the status of a state.
- In 1971, Manipur, Tripura, and Meghalaya were granted statehood.
- In 1974, Sikkim became an associate state of the Indian Union. By the 36th Constitutional Amendment Act (1975), Sikkim became a full fledged state of the Indian Union.
- In 1986, Mizoram and Arunachal Pradesh came into being.
- In 1987, Goa came into existence.
- In 2000, three more new states; Chhattisgarh, Uttarakhand and Jharkhand were created.
- On 2nd June, 2014 'Telangana' state came into existence after reorganisation of Andhra Pradesh.