New states in India created after 1950

Andhra Pradesh	Created by the State of Andhra Pradesh Act 1953 by carving our some areas from the State of Chennai
Gujarat and Maharashtra	The State of Mumbai was divided into two States i.e. Maharashtra and Gujarat by the Mumbai (Reorganisation) Act 1960
Kerala	Created by the State Reorganisation Act, 1956. It comprised Travancor and Cochin areas
Karnataka	Created from the Princely State of Mysuru by the State Reorganisation Act, 1956. It was renamed Karnataka in 1973
Nagaland	It was carved out from the State of Asom by the State of Nagaland Act, 1952
Haryana	It was carved out from the State of Punjab by the Punjab (Reorganisation) Act, 1966
Himachal Pradesh	The Union Territory of Himachal Pradesh was elevated to the status of State by the State of Himachal Pradesh Act, 1970
Meghalaya	First carved out as a sub-State within the State of Asom by 23 Constitutional Amendment Act, 1969. Later in 1971, it received the status of a full-fledged State by the North-Eastern Areas (Reorganisation) Act 1971
Manipura and Tripura	Both these States were elevated from the status of Union-Territories by the North-Eastern Areas (Reorganisation) Act 1971
Sikkim	Sikkim was first given the Status of Associate State by the 35th Constitutional Amendment Act 1974. It got the status of a full State in 1975 by the 36th Amendment Act, 1975
Mizoram	It was elevated to the status of a full State by the State of Mizoram Act, 1986
Arunachal Pradesh	It received the status of a full state by the State of Arunachal Pradesh Act, 1896
Goa	Goa was separated from the Union-Territory of Goa, Daman and Diu and was made a full-fledged State of Goa, Daman and Diu Reorganisation Act 1987. But Daman and Diu remained as Union Territory
Chhattisgarh	Formed by the Constitutional Amendment Act, 2000 by dividing Madhya Pradesh on November 1, 2000
Uttarakhand	Formed by the Constitutional Amendment Act, 2000 by dividing Uttar Pradesh on November 9, 2000
Jharkhand	Formed by the Constitutional Amendment Act, 2000 by dividing Bihar on November 15, 2000