The Bhutan–India border is the
open
Open or OPEN may refer to:
Music
* Open (band), Australian pop/rock band
* The Open (band), English indie rock band
* ''Open'' (Blues Image album), 1969
* ''Open'' (Gotthard album), 1999
* ''Open'' (Cowboy Junkies album), 2001
* ''Open'' (Y ...
international border
Borders are usually defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders ...
separating the
Kingdom of Bhutan
Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountainou ...
from the
Republic of India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
. The border is 699 km (434 m) long, and adjoins the Indian states 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 ...
(267 km; 166 m),
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 share ...
(217 km; 135 m),
West Bengal
West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the four ...
(183 km; 114 m), and
Sikkim
Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligu ...
(32 km; 20 m).
Description
The border starts in the west at the western
tripoint
A tripoint, trijunction, triple point, or tri-border area is a geographical point at which the boundaries of three countries or subnational entities meet. There are 175 international tripoints as of 2020. Nearly half are situated in rivers, l ...
with
Tibet
Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
,
China, proceeding from there broadly southwards across Mount
Gipmochi
Gipmochi (Gyemo Chen or Gamochen, 'The Great Queen') is a mountain in the Lower Himalayas in south central Asia. Rising to a height of , the mountain sits on the border between the northern Indian state of Sikkim and Bhutan. China claims Gipmo ...
and down to the
Jaldhaka River
The Jaldhaka River (Pron:/ˌdʒælˈdɑːkə/) ( bn, জলঢাকা নদী), also known as Dichu, a tributary of Brahmaputra is a trans-boundary river flowing through India, Bhutan and Bangladesh with a length of 233 kilometres. It ori ...
. It then utilises this river for a period before turning south-westwards and then east via a series of irregular overland lines that broadly follow the foothills of the
Himalayas
The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over ...
, notably Dangme Chhu peak. It then turns to the north, turns west near
Sakteng, briefly utilising the
Tawang Chu and
Nyamjang Chu
Nyamjang Chu, or Nyashang Chu
() is a cross-border perennial river that originates in the Shannan Prefecture of Tibet and flows into the Arunachal Pradesh state of India, joining the Tawang Chu river just before it enters Bhutan. The Nyamjan ...
, before turning north up to the eastern Chinese tripoint.
History
Britain had begun conquering India from the 17th century, gradually expanding their rule and creating
British India
The provinces of India, earlier presidencies of British India and still earlier, presidency towns, were the administrative divisions of British governance on the Indian subcontinent. Collectively, they have been called British India. In one ...
. This brought them into conflict with Bhutan, with
Cooch Behar
Cooch Behar (), or Koch Bihar, is a city and a municipality in the Indian state of West Bengal. It is the headquarters of the Cooch Behar district. It is in the foothills of the Eastern Himalayas at . Cooch Behar is the only planned city in t ...
being annexed by Britain in 1770 and a peace treaty signed in 1774 which recognised Bhutan's then borders.
Boundary disputes flared up repeatedly in the first half of the 1800s, with Britain annexing the
Bengal
Bengal ( ; bn, বাংলা/বঙ্গ, translit=Bānglā/Bôngô, ) is a geopolitical, cultural and historical region in South Asia, specifically in the eastern part of the Indian subcontinent at the apex of the Bay of Bengal, predom ...
and
Assam Duars in 1841–42.
Continuing tensions led to the
Bhutan War
The Duar War (or Anglo-Bhutan War) was a war fought between British India and Bhutan in 1864–1865. It has been the only military conflict between the two states since 1774.
Background
Across the nineteenth century, British India commissione ...
of 1860–65; by the subsequent
Treaty of Sinchula Bhutan permanently ceded the Bengal and Assam Duars and parts of
Dewangiri.
Some further modifications to the boundary were made in 1910 via the
Treaty of Punakha
The Treaty of Punakha was an agreement signed on 8 January 1910, at Punakha Dzong between the recently consolidated Kingdom of Bhutan and British India. The Treaty of Punakha is not a stand-alone document, but represents a modification of the ...
.
In 1947 India gained independence from Britain, and two years later it signed a treaty with Bhutan by which it recognised the country's sovereignty, though retaining significant influence over its foreign affairs.
The boundary was further detailed and refined in the 1973-1984 period through talks between Bhutan and India.
Border disputes of a relatively minor nature existed concerning part of the border with Arunachal Pradesh, and the region between
Sarbhang and
Geylegphug.
In 2006 a final border demarcation treaty was signed. A new friendship and cooperation treaty granting Bhutan greater freedom in external matters was signed in 2007.
Transport and crossings

The border between Bhutan and India is the only land access into entering Bhutan, as the border with
China is completely closed. The single entry point for foreign nationals is between the towns of
Jaigaon
Jaigaon is a census town in Alipurduar subdivision under Kalchini Block of Alipurduar district in the state of West Bengal, India. It is located on the country's border with Bhutan, and ''Bhutan Gate'' separates the two countries. Phuentsholing ...
,
Alipurduar subdivision
Alipurduar subdivision is an administrative division of the Alipurduar district in the Indian state of West Bengal.
Geography Subdivisions
Alipurduar district is divided into the following administrative subdivisions:
Administrative units
...
,
Alipurduar District
Alipurduar is a city and a municipality in the Indian state of West Bengal. It is the headquarters of the Alipurduar district. Situated on the east bank of Kaljani River on the foothills of the Himalayas, the city is a gateway to Bhutan and ...
in the Indian state of
West Bengal
West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the four ...
and
Phuntsholing
Phuntsholing, also spelled as Phuentsholing ( dz, ཕུན་ཚོགས་གླིང་), is a border town in southern Bhutan and is the administrative seat of Chukha District. The town occupies parts of both Phuentsholing Gewog and Sampheli ...
, in South West
Bhutan
Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountai ...
.
Border protection
The Indian government deploys 12 battalions of
Sashastra Seema Bal
Sashastra Seema Bal (SSB; ) is a border guarding force of India deployed along its borders with Nepal and Bhutan. It is one of the seven Central Armed Police Forces under the administrative control of the Ministry of Home Affairs (MHA).
The f ...
(SSB), and 132 border posts, to guard the border on its side. The bilateral Indian-Bhutan Group Border Management and Security has been established to collaboratively assess and secure the border between the two countries.
[ The Bhutan Army patrols the Bhutanese side.
Following the ]2017 China–India border standoff
The 2017 China–India border standoff or Doklam standoff was a military border standoff between the Indian Armed Forces and the People's Liberation Army of China over Chinese construction of a road in Doklam, near a trijunction border area k ...
, the Indian government increased the number of border posts.
See also
*Borders of India
The Republic of India shares borders with several sovereign countries; it shares land borders with China, Bhutan, Nepal, Pakistan, Bangladesh and Myanmar. Bangladesh and Pakistan share both land borders as well as maritime borders, while Sri Lanka ...
*Bhairabkunda
Bhairabkunda is a popular picnic spot in Udalguri district in the State of Assam, India. It is situated on the border of Bhutan and Arunachal Pradesh, near the Bhutanese town of Daifam.
The Jampani River, originating in Bhutan, and Bhairabi ...
*Jaigaon
Jaigaon is a census town in Alipurduar subdivision under Kalchini Block of Alipurduar district in the state of West Bengal, India. It is located on the country's border with Bhutan, and ''Bhutan Gate'' separates the two countries. Phuentsholing ...
*Phuntsholing
Phuntsholing, also spelled as Phuentsholing ( dz, ཕུན་ཚོགས་གླིང་), is a border town in southern Bhutan and is the administrative seat of Chukha District. The town occupies parts of both Phuentsholing Gewog and Sampheli ...
*Bhutan–India relations
The bilateral relations between the Himalayan Kingdom of Bhutan and the Republic of India have been traditionally close and both countries share a " special relationship", making Bhutan a protected state, but not a protectorate, of India. Ind ...
References
{{DEFAULTSORT:Bhutan-India border
Borders of Bhutan
Borders of India
International borders