{{Short description|State of India from 1947 to 1963}} {{Use dmy dates|date=July 2018}} {{Use Indian English|date=July 2018}} {{ref improve|date=July 2013}} {{Infobox former subdivision | native_name = | conventional_long_name = State of Assam | common_name = Assam | nation = India | subdivision = State | era = | year_start = 1947 | date_start = | event_start = | year_end = 1963 | date_end = | event_end = | event1 = | date_event1 = | p1 = Assam Province | s1 = Assam | s2 = Nagaland | s3 = Meghalaya | s4 = Mizoram | s5 = Arunachal Pradesh | flag_p1 = British Raj Red Ensign.svg | flag_s1 = | flag_s2 = | flag_s3 = Meghalaya Flag(INDIA).png | flag_s4 = Mizoram Flag(INDIA).png | flag_s5 = Flag of Arunachal Pradesh.svg | image_flag = Flag of India.svg | image_coat = Seal of Assam.svg | image_map = Assam in India (1951).svg | image_map_caption = Location of Assam in India, 1951 | capital = Shillong | stat_area1 = 121908<ref>Province area. Total area including dependent states (Manipur - 8456 sq mi and Khasi Hills - 6157 sq mi) is 61,682 sq mi (159755 км2)</ref><ref>The Imperial Gazetteer of India (1908) Vol. IV. p.14.</ref> | stat_year1 = | stat_area2 = 202270<ref>Province area after Simla Convention and accession of South Tibet excluding dependent states.</ref> | stat_year2 = | stat_pop1 = | footnotes = | demonym = | today = | life_span = | p2 = }} '''Undivided Assam''' refers to the then undivided greater state of Assam 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, Meghalaya, Nagaland and Mizoram. The capital of this state was Shillong, currently the capital of Meghalaya.<ref>{{cite web |title=Assam Gazzeter: Geology|url=http://online.assam.gov.in/web/guest/assamgazetter?webContentId=172774 |date= |publisher=Government of Assam |page= 33|accessdate=}}</ref> Undivided Assam included five of the seven contiguous states of Northeast India—with Tripura and Manipur not being a part of it.
Prior to the Partition of India, Sylhet was a part of Assam.
Undivided Assam had a total area of {{convert|234568|km2|abbr=on}} which is slightly smaller than the nation of Ghana. The present day population of Undivided Assam would be 50 million which is slightly less than the population of South Korea.
==Present day== [[File:Linguistic map of Northeast India English Native.png|thumb|300px|"Scheduled" and "non-scheduled" official languages of Northeast Indian states]]
After the partition, Undivided Assam was carved into following states: {| class="wikitable" |- ! Date ! State/UT !Country !Note |- |15 Aug 1947 |Assam | rowspan="5" |{{flagicon|IND}} India | rowspan="5" |Became states of Republic of India |- | 1 Dec 1963 | Nagaland |- | 2 Apr 1970 | Meghalaya
|- | 21 Jan 1972 | Mizoram |- | 21 Jan 1972 | Arunachal Pradesh |}
==References== {{Reflist}}
===Sources=== * ''The Imperial Gazetteer of India'' (26 vol, 1908–31), highly detailed description of all of India in 1901. [https://dsal.uchicago.edu/reference/gazetteer/ online edition]
{{Assam-geo-stub}}
{{coord missing|Assam}} A Category:1947 establishments in India Category:1963 disestablishments in India Category:1940s in Assam Category:1950s in Assam Category:1960s in Assam Category:Northeast India Category:History of Assam (1947–present)