West Siang district

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Siang district
Siyom River near Aalo
Location of West Siang district in Arunachal Pradesh
Location of West Siang district in Arunachal Pradesh
Country India
State Arunachal Pradesh
 • Total8,325 km2 (3,214 sq mi)
 • Total112,274[1]
 • Literacy67.6%[1]
 • Sex ratio916[1]
Time zoneUTC+05:30 (IST)

West Siang (Pron:/ˈsjæŋ or ˈsɪæŋ/) is an administrative district in the state of Arunachal Pradesh in India.


In 1989, territory was given from West Siang to the East Siang district.[2] Since 1999, this territory has been in the new Upper Siang district.[2] Archaeological finds from Malinithan in West Siang are on display at the Jawaharlal Nehru Museum, Itanagar.[citation needed] It was once a part of the Chutiya kingdom.[citation needed] West Siang was divided into Upper Siang and Lower Siang. West Siang district was bifurcated on 9 December 2018 when northern areas along China border were made a separate Shi Yomi district.


The district headquarters are located at Aalo. West Siang district occupies an area of 8,325 square kilometres (3,214 sq mi),[3] comparatively equivalent to Crete.[4]


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 are seven Arunachal Pradesh Legislative Assembly constituencies in this district: Liromoba, Likabali, Basar, Along West, Along East, Rumgong, and Mechuka. The first six are part of Arunachal West Lok Sabha constituency, while Mechuka is part of Arunachal East Lok Sabha constituency.[10]


Historical population
YearPop.±% p.a.


According to the 2011 Census, West Siang district has a population of 112,274,[12] roughly equal to the nation of Grenada.[13] This gives it a ranking of 612th in India (out of a total of 640).[12] The district has a population density of 13 inhabitants per square kilometre (34/sq mi).[12] Its population growth rate over the decade 2001–2011 was 8.04%.[12] West Siang has a sex ratio of 916 females for every 1000 males,[12] and a literacy rate of 67.62%.[12]

Various tribal groups of the Adi, Memba, and Khamba tribes live in the district. The Adi generally follow Donyi-Polo, although some have embraced Baptist Christianity in recent years. The Memba and Khamba are followers of Tibetan Buddhism. A well-known Tibetan Buddhist temple, Mechuka Gompa, is located in the western part of the Memba-speaking Mechuka district of West Siang.


Languages spoken include Adi, a Sino-Tibetan tongue with approximately 140 000 speakers, written in both the Tibetan and Latin scripts;[14] and Galo, an endangered language with 30 000 speakers, also in the Sino-Tibetan language family.[15]

Flora and fauna[edit]

The district is rich in wildlife. Rare mammals such as Mishmi takin, Snow leopards, Red pandas, and Musk deer occur while among birds there is the rare Blyth's Tragopan.[16] A flying squirrel, new to science, has been recently discovered from this district. It has been named as Mechuka Giant Flying Squirrel.[17]

In 1991, West Siang became home to the Kane Wildlife Sanctuary, which has an area of 55 km2 (21.2 sq mi).[18]


  1. ^ a b c "District Census 2011". Census2011.co.in.
  2. ^ a b Law, Gwillim (25 September 2011). "Districts of India". Statoids. Retrieved 11 October 2011.
  3. ^ Srivastava, Dayawanti et al. (ed.) (2010). "States and Union Territories: Arunachal Pradesh: Government". India 2010: A Reference Annual (54th ed.). New Delhi, India: Additional Director General, Publications Division, Ministry of Information and Broadcasting (India), Government of India. p. 1113. ISBN 978-81-230-1617-7.CS1 maint: extra text: authors list (link)
  4. ^ "Island Directory Tables: Islands by Land Area". United Nations Environment Program. 18 February 1998. Retrieved 11 October 2011. Crete 8,350km2
  5. ^ Dipak Kumar Dash. "Top officials to meet to expedite road building along China border". The Times of India. Retrieved 27 October 2014.
  6. ^ "Narendra Modi government to provide funds for restoration of damaged highways". Daily News and Analysis. Retrieved 27 October 2014.
  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 26 October 2014.
  9. ^ "China warns India against paving road in Arunachal". Ajay Banerjee. tribuneindia.com. Retrieved 26 October 2014.
  10. ^ "Assembly Constituencies allocation w.r.t District and Parliamentary Constituencies". Chief Electoral Officer, Arunachal Pradesh website. Retrieved 21 March 2011.
  11. ^ Decadal Variation In Population Since 1901
  12. ^ a b c d e f "District Census 2011". Census2011.co.in. 2011. Retrieved 30 September 2011.
  13. ^ US Directorate of Intelligence. "Country Comparison:Population". Retrieved 1 October 2011. Grenada 108,419 July 2011 est.
  14. ^ M. Paul Lewis, ed. (2009). "Adi: A language of India". Ethnologue: Languages of the World (16th ed.). Dallas, Texas: SIL International. Retrieved 28 September 2011.
  15. ^ M. Paul Lewis, ed. (2009). "Galo: A language of India". Ethnologue: Languages of the World (16th ed.). Dallas, Texas: SIL International. Retrieved 28 September 2011.
  16. ^ 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.
  17. ^ Choudhury,Anwaruddin (2007).A new flying squirrel of the genus Petaurista Link from Arunachal Pradesh in north-east India. The Newsletter and Journal of the RhinoFoundation for nat. in NE India 7: 26–34, plates.
  18. ^ Indian Ministry of Forests and Environment. "Protected areas: Arunachal Pradesh". Retrieved 25 September 2011.

External links[edit]

Coordinates: 28°24′N 94°33′E / 28.400°N 94.550°E / 28.400; 94.550