Upper Dibang Valley district

Not to be confused with the Lower Dibang Valley district.
Upper Dibang Valley district
District of Arunachal Pradesh

Location of Upper Dibang Valley district in Arunachal Pradesh
Country India
State Arunachal Pradesh
Headquarters Anini
  Total 9,129 km2 (3,525 sq mi)
Population (2011)
  Total 7,948[1]
  Urban 27.55%
  Literacy 64.8%[1]
  Sex ratio 808[1]

Upper Dibang Valley (Pron:/dɪˈbæŋ/) is a district of Arunachal Pradesh[2] named after the Dibang River[3] or the Talon as the Mishmis call it. Although the Dibang Valley district is the largest district in the state with an area of 9,129 square kilometres (3,525 sq mi), it is the least populated district in India.[1]


In June 1980, Dibang Valley district was created out of part of Lohit district.[4] On 16 December 2011, Dibang Valley district was bifurcated into Upper Dibang Valley district and Lower Dibang Valley district.[4]


The river originates in the mountains of China and flows through the length of the valley which is named after it. The capital of this district, Anini, is the northernmost district capital in Northeast India. This district contains the northernmost point of Northeast India.


The 2,000-kilometre-long (1,200 mi) proposed Mago-Thingbu to Vijaynagar Arunachal Pradesh Frontier Highway along the McMahon Line,[5][6][7][8] (will intersect with the proposed East-West Industrial Corridor Highway) and will pass through this district, alignment map of which can be seen here and here.[9]


There is only one Arunachal Pradesh Legislative Assembly constituency in this district: Anini. It is part of Arunachal East Lok Sabha constituency.[10]


According to the 2011 census Dibang Valley district has a population of 7,948,[1] roughly equal to the nation of Nauru.[11] This gives it a ranking of 640th in India (out of a total of 640).[1] The district has a population density of 1 inhabitant per square kilometre (2.6/sq mi) .[1] Its population growth rate over the decade 2001–2011 was 9.3%.[1] Dibang Valley has a sex ratio of 808 females for every 1000 males,[1] and a literacy rate of 64.8%.[1]

The major population of this district consist of Mishmi (Idu).

The Mishmis have a story narrating the first journeys undertaken in course of migration. The story conveys names and location of the Cheethu-Huluni or the twelve rivers that the Mishmi (Idu) people came over in the region and settled around. The first accounts of the Mishmi (Idus) are found in the narrations given by the neighbouring Ahoms. The Mishmis inhabited the deep jungles of what is now the Dibang valley.


Total population: 7,272 (2001)


Languages spoken include Mishmi, a Sino-Tibetan tongue with approximately 25000 speakers, written in both the Tibetan and Latin scripts.[12]

Flora and fauna

The district is rich in wildlife. Rare mammals such as Mishmi takin, Red goral and Gongshan muntjac occurs while among birds there is the rare Sclater's Monal.[13] A flying squirrel, new to science has been recently discovered from this district. It has been named as Mishmi Hills Giant Flying Squirrel Petaurista mishmiensis.[14]

In 1991 Upper Dibang Valley district became home to the Dibang Wildlife Sanctuary, which has an area of 4,149 km2 (1,601.9 sq mi).[15]


  1. 1 2 3 4 5 6 7 8 9 10 "Dibang Valley District Population Census 2011, Arunachal Pradesh literacy sex ratio and density". Census Organization of India. Archived from the original on 3 January 2013.
  2. National Portal of India : Know India : Districts of India. India.gov.in.
  3. History : Lower Dibang Valley. Roing.nic.in (16 December 2001).
  4. 1 2 Law, Gwillim (25 September 2011). "Districts of India". Statoids. Retrieved 2011-10-11.
  5. "Top officials to meet to expedite road building along China border". Dipak Kumar Dash. timesofindia.indiatimes.com. Retrieved 27 October 2014.
  6. "Narendra Modi government to provide funds for restoration of damaged highways". http://www.dnaindia.com. Retrieved 27 October 2014. External link in |publisher= (help)
  7. "Indian Government Plans Highway Along Disputed China Border". Ankit Panda. thediplomat.com. Retrieved 27 October 2014.
  8. "Govt planning road along McMohan line in Arunachal Pradesh: Kiren Rijiju". Live Mint. Retrieved 2014-10-26.
  9. "China warns India against paving road in Arunachal". Ajay Banerjee. tribuneindia.com. Retrieved 2014-10-26.
  10. "Assembly Constituencies allocation w.r.t District and Parliamentary Constituencies". Chief Electoral Officer, Arunachal Pradesh website. Retrieved 21 March 2011.
  11. US Directorate of Intelligence. "Country Comparison:Population". Retrieved 2011-10-01. Nauru 9,322 July 2011 est.
  12. M. Paul Lewis, ed. (2009). "Mishmi: A language of India". Ethnologue: Languages of the World (16th ed.). Dallas, Texas: SIL International. Retrieved 2011-09-28.
  13. Choudhury, Anwaruddin(2008) Survey of mammals and birds in Dihang-Dibang biosphere reserve, Arunachal Pradesh. Final report to Ministry of Environment & Forests, Government of India. The Rhino Foundation for nature in NE India, Guwahati, India. 70pp.
  14. Choudhury,Anwaruddin (2009).One more new flying squirrel of the genus Petaurista Link, 1795 from Arunachal Pradesh in north-east India. The Newsletter and Journal of the RhinoFoundation for nat. in NE India 8: 26–34, plates.
  15. Indian Ministry of Forests and Environment. "Protected areas: Arunachal Pradesh". Retrieved 25 September 2011.

Coordinates: 28°42′N 95°42′E / 28.700°N 95.700°E / 28.700; 95.700

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