Undivided Assam refers to the then undivided greater state of

Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...

in India soon after the Indian Independence in 1947 until 1963. In addition to the present-day Assam, it included the current states of

Arunachal Pradesh Arunachal Pradesh (, ) is a state in Northeastern India. It was formed from the erstwhile North-East Frontier Agency (NEFA) region, and became a state on 20 February 1987. It borders the states of Assam and Nagaland to the south. It shares int ...

Meghalaya Meghalaya (, or , meaning "abode of clouds"; from Sanskrit , "cloud" + , "abode") is a states and union territories of India, state in northeastern India. Meghalaya was formed on 21 January 1972 by carving out two districts from the state of As ...

Nagaland Nagaland () is a landlocked state in the northeastern region of India. It is bordered by the Indian states of Arunachal Pradesh to the north, Assam to the west, Manipur to the south and the Sagaing Region of Myanmar to the east. Its capital cit ...

and

Mizoram Mizoram () is a state in Northeast India, with Aizawl as its seat of government and capital city. The name of the state is derived from "Mizo people, Mizo", the endonym, self-described name of the native inhabitants, and "Ram", which in the Mizo ...

. The capital of this state was

Shillong Shillong () is a hill station and the capital of Meghalaya, a Indian state, state in northeastern India, which means "The Abode of Clouds". It is the headquarters of the East Khasi Hills district. Shillong is the list of most populous cities in ...

, currently the capital of Meghalaya. Undivided Assam included five of the seven contiguous states of

Northeast India , native_name_lang = mni , settlement_type = , image_skyline = , image_alt = , image_caption = , motto = , image_map = Northeast india.png , ...

—with

Tripura Tripura (, Bengali: ) is a state in Northeast India. The third-smallest state in the country, it covers ; and the seventh-least populous state with a population of 36.71 lakh ( 3.67 million). It is bordered by Assam and Mizoram to the east a ...

and

Manipur Manipur () ( mni, Kangleipak) is a state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It also borders two regions of Myanm ...

not being a part of it. Prior to the

Partition of India The Partition of British India in 1947 was the Partition (politics), change of political borders and the division of other assets that accompanied the dissolution of the British Raj in South Asia and the creation of two independent dominions: ...

Sylhet Sylhet ( bn, সিলেট) is a metropolitan city in northeastern Bangladesh. It is the administrative seat of the Sylhet Division. Located on the north bank of the Surma River at the eastern tip of Bengal, Sylhet has a subtropical climate an ...

was a part of Assam. Undivided Assam had a total area of which is slightly smaller than the nation of

Ghana Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and To ...

. The present day population of Undivided Assam would be 50 million which is slightly less than the population of

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

Present day

After the partition, Undivided Assam was carved into following states:

References

{{Assam-geo-stub 1947 establishments in India 1963 disestablishments in India 1940s in Assam 1950s in Assam 1960s in Assam Northeast India