History and date of formation of Indian states since 1947

Indian States

Formation Dates/Years

Formed By

Status Before Foundation

Andhra Pradesh

1 November 1953

States Reorganisation Act, 1956.

Part of Andhra State and Hyderabad State

Arunachal Pradesh

20 February 1987

Created as a Union Territory by the North-Eastern Areas (Reorganisation) Act, 1971. Converted to a state by the State of Arunachal Pradesh Act, 1986

Arunachal Pradesh Union Territory

Assam

1950

Founded as Ahom Kingdom, reorganised as North-East Frontier Province in 1874, Eastern Bengal and Assam in 1905, Assam Province in 1912, achieved statehood in 1950.

Part of Kamarupa Kingdom

Bihar

1950

Founded as Bihar and Orissa Province, reorganised as Bihar Province in 1936, achieved statehood in 1950.

Part of Bengal Province, British India

Chhattisgarh

1 November 2000

The Madhya Pradesh Reorganisation Act, 2000 founded it.

Part of Madhya Pradesh

Goa

30 May 1987

Founded by the State of Goa Act, 1986.

Part of Goa, Daman and Diu

Gujarat

1 May 1960

Founded by the Bombay Reorganisation Act, 1960.

Part of Bombay State

Haryana

1 November 1966

Founded by the Punjab Reorganisation Act, 1966.

Part of East Punjab

Himachal Pradesh

1971

Founded by the Himachal Pradesh (Administration) Order, 1948 as Himachal Pradesh Province, reorganised as Himachal Pradesh (Part C State) in 1950, Himachal Pradesh Union Territory in 1956, achieved statehood in 1971.

Part of the princely states of former Punjab States Agency

Jharkhand

15 November 2000

Founded by the Bihar Reorganisation Act, 2000

Part of Bihar

Kerala

1 November 1956

Founded by the States Reorganisation Act, 1956

Part of Madras State and Travancore-Cochin

Madhya Pradesh

1 November 1950

Achieved statehood in 1950

Part of the Central Provinces and Berar, Princely State of Makrai and the princely states of the former Eastern States Agency

Maharashtra

1 May 1960

Founded by the Bombay Reorganization Act, 1960.

Part of Bombay State

Manipur

21 January 1972

Founded by the North-Eastern Areas (Reorganisation) Act, 1971

Manipur Union Territory

Meghalaya

21 January 1972

Founded by the North-Eastern Areas (Reorganisation) Act, 1971

Part of Assam

Mizoram

20 February 1987

Created as a Union Territory by the North-Eastern Areas (Reorganisation) Act, 1971. Converted to a state by the State of Mizoram Act, 1986

Mizoram Union Territory

Nagaland

1 December 1963

Founded by the State of Nagaland Act, 1962

Nagaland Union Territory

Odisha

1950

Founded as Orissa Province in 1936, achieved statehood in 1950, renamed Odisha on 1st November, 2011.

Part of Bihar and Orissa Province, British India

Punjab

1947

Founded by the Punjab Reorganisation Act, 1966

Part of East Punjab

Rajasthan

30 March 1949

Rajasthan, earlier known as Rajputana, came into existence

Part of the princely states of former Rajputana Agency

Sikkim

16 May 1975

Founded by the Thirty-sixth Amendment of the Constitution of India in 1975

Kingdom of Sikkim

Tamil Nadu

1 November 1956

Founded by the States Reorganisation Act, 1956 as Madras State, renamed Tamil Nadu in 1969

Part of Madras State and Travancore-Cochin

Telangana

2 June 2014

Founded by the Andhra Pradesh Reorganisation Act, 2014

Part of Andhra Pradesh

Tripura

21 January 1972

Founded by the North-Eastern Areas (Reorganisation) Act, 1971

Tripura Union Territory

Uttar Pradesh

24 January 1950

Created as the United Provinces of Agra and Oudh during British rule in 1937 and Achieved statehood as UP in 1950.

United Provinces

Uttarakhand

9 November 2000

Founded by the Uttar Pradesh Reorganisation Act, 2000 as Uttaranchal, renamed Uttarakhand in 2007.

Part of Uttar Pradesh

West Bengal

1950

Achieved statehood in 1950

Part of Bengal Province, British India