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Clockwise: Bongaigaon Railway Crossing view of Mayapuri area, Night view of New Bongaigaon Junction railway station, Chilarai Indoor Games Stadium located at Borpara, Lighting view of NTPC Bongaigaon Thermal Power Project at Salakati, Aerial view of Station Road near ASTC Bus Stand, Chapaguri Road View and Koya Kujia Eco Tourism Park.
Clockwise: Bongaigaon Railway Crossing view of Mayapuri area, Night view of New Bongaigaon Junction railway station, Chilarai Indoor Games Stadium located at Borpara, Lighting view of NTPC Bongaigaon Thermal Power Project at Salakati, Aerial view of Station Road near ASTC Bus Stand, Chapaguri Road View and Koya Kujia Eco Tourism Park.
Industrial & Commercial Hub of Assam + Railway Capital of Western Assam
Assam Bongaigaon district
Assam Bongaigaon district
Location in Assam, India
Coordinates: 26°28′37″N 90°33′30″E / 26.47694°N 90.55833°E / 26.47694; 90.55833Coordinates: 26°28′37″N 90°33′30″E / 26.47694°N 90.55833°E / 26.47694; 90.55833
Country India
RegionWestern Assam
DistrictBongaigaon & Chirang (10% area of city)
Zones NameCentral, North, South, Industrial
Town TypeUrban Agglomeration (UA, India)
Bongaigaon Municipal Board29 September 1989
Founded byGovernment of Assam
 • TypeMayor–Council
 • BodyBMB, BDA, KMB
 • Deputy CommissionerShri Nabadeep Pathak, ACS
 • SuperintendentSwapnaneel Deka, (APS)
 • City14 km2 (5 sq mi)
62.6 m (205.4 ft)
 • City129,894
 • Rank6th
 • Density9,300/km2 (24,000/sq mi)
 • Metro
 • OfficialAssamese, Bodo, English
Time zoneUTC+5:30 (IST)
3 postcodes
  • 783380,
  • 783381 (New Bongaigaon),
  • 783385 (Dhaligaon)
Telephone code03664-XXXXXX
Vehicle registrationAS-19, AS-26(chirang)
Literacy96.42% (2011)
Legislature typeMunicipality
Planning agency3
Sex ratio961 per 1000 male (Census 2011) /
ClimateSubtropical (Köppen)
Distance from Delhi1,725 kilometres (1,072 mi)
Distance from Mumbai2,650 kilometres (1,650 mi)
Precipitation1,717.7 millimetres (67.63 in)
Avg. annual temperature25 °C (77 °F)
Summer temperature33 - 38 °C
Winter temperature8 - 21 °C
Out Growth (OG) incl Bongaigaon Urban Agglomerations
9 region
Census Towns (CT) incl Bongaigaon Urban Agglomerations
3 region
† Estimated as of 2015

Bongaigaon (/bɒŋˈɡɡ/ (listen)) is a major city in the Indian state of Assam. Its urban area spans across Bongaigaon and Chirang district. The city also serves as the gateway of the North-East Frontier Railway Zone with its New Bongaigaon Junction railway station, the second biggest railway station in North-East India. It also acts as the district headquarters of Bongaigaon district and commercial and industrial hub of the west part of the state of Assam. Bongaigaon is one of the most populated urban agglomerations in Assam, alongside Guwahati, Jorhat, Dibrugarh and Silchar.[verification needed]

The city was the last capital of Koch Hajo and is home to many historical monuments of Koch Rajbonsghi and Kamatapuri cultures. The city, divided into two parts – Old Bongaigaon and New Bongaigaon - is situated 180 kilometres (112 mi) north west of Guwahati, the largest city of Assam. To meet the demands of the Bodo people of Assam, Bongaigaon was divided up to create Chirang district.[citation needed] Bongaigaon has a major petrochemical industry, the Indian Oil Corporation Limited[1][2] (IOCL BGR[3]). The town joined the Indian Railways system with the establishment of the railway station in the year 1908. Most of the city's institutions, such as ITI, Bongaigaon College, the Office of the Assam State Electricity Board and other elements of the town's development were established in the early 1960s. The city developed further with the establishment of the Bongaigaon Refinery and Petrochemicals Limited (BRPL) complex in the year 1972 at Dhaligaon, and the Thermal Power Plant at Salakati. Though these areas are not within the limits of Bongaigaon Municipality, the town also caters to the demand of this population.

The city today has evolved to be one of the major commercial and business hubs of the state, with increasing numbers of shopping malls, restaurants, hotels, residential apartments and educational institutions.[citation needed] The city also serves as the base for tourism to places such as the Manas National Park.[4][5] Centrally located within the state, the city has a vibrant Assamese township and culture.[citation needed]


According to lore, the name 'Bongaigaon' derives from the words 'bon' (wild) and 'gai' (cow). In the distant past, wild cows were often a menace to villagers in this area, due to which the district got its name.[citation needed]


Bijni Kingdom[edit]

The area was ruled by zamindars hailing from the Koch belonging to Indo-Mongoloid ethnic group of peoples from the 15th century to the end of princely states in 1956.[citation needed]

Administrative changes under British rule[edit]

The original Goalpara district was first created in 1822 by David Scott, an employee of the East India Company and the first Commissioner of newly created North east Rangpur district headquarters at Rangpur town (now in Bangladesh). The newly created Goalpara district was connected with North-east Rangpur district for administration. The area, formerly part of the Bijni Kingdom, which included the undivided Garo Hills district constituted the Undivided Goalpara district area in 1822. In 1866, Garo Hills was separated from the Goalpara district area, and in the same year a new district named "Greater Koch Behar" was created and the remaining portion of Goalpara district was withdrawn from Rangpur and tagged with Koch Behar. In 1874 a new province, the Assam Valley Province, was created by the British government, and Goalpara district area was withdrawn from Koch Behar and tagged with Assam Province, which continues until today. The original Goalpara district is now split into five districts: Goalpara, Dhubri, Kokrajhar, Bongaigoan, and Chirang.

Creation of Bongaigaon and modern era[edit]

Evening Skyline of Bongaigaon City, Paglasthan

On 14 March 1989, bombs from separatist tribal militants[who?] exploded in Bongaigaon, killing 17 and wounding at least 48.[6]

The government of Assam decided in 1989 to create a new district of Bongaigaon, carving out some areas of the Goalpara and Kokrajhar Districts with its headquarters located at Bongaigaon. On 29 September 1989, the creation of Bongaigaon District was declared by the Government of Assam with its headquarters at Bongaigaon. In 2005, the Government of Assam declared Bongaigaon to be a city.

In June 2022, heavy floods in Assam affected the residents of Bongaigaon.[7]


The Bongaigaon Town Committee was first constituted in the year 1961 and was upgraded to a Municipal Board in the year 1977. Presently the Municipal Area consists of 25 wards covering an area of 14.31 sq m.[citation needed]

Bongaigaon is part of Barpeta (Lok Sabha constituency).[8] Phani Bhusan Choudhury is the current M.L.A. of the Bongaigaon constituency.


Bongaigaon is located at 26°28′37″N 90°33′30″E / 26.47694°N 90.55833°E / 26.47694; 90.55833.[9] It has an average altitude of 62.6 metres. The town is situated 200 km west of the State Capital and has an important place in the communication network of Assam and wider northeast India. The New Bongaigaon railway station is a major hub connecting Assam with the rest of India. This town is also very well connected by road through the National Highways 31 B and 31C. This connectivity and the strategic location of the town in the region has made it an important center in trade and commerce in Western Assam, serving a vast hinterland. It is one of the biggest industrial towns in Lower Assam. The district is part of the Brahmaputra river's basin.[10][page needed]


Bongaigaon has a borderline monsoon-influenced humid subtropical climate (Köppen Cwa) marginally too cool to be a tropical savanna climate (Aw). During the "cool" season from November to February, afternoons are warm to very warm and mornings are cool. In the "hot" season of March and April, the weather becomes hot and thunderstorm rainfalls increase in frequency to prelude the oppressive monsoon season from June to September where heavy rainfall occurs every afternoon.

Climate data for Bongaigaon
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 30
Average high °C (°F) 23
Average low °C (°F) 10
Record low °C (°F) −2
Average rainfall mm (inches) 11.4

Localities in Bongaigaon[edit]


Languages spoken in Bongaigaon city (2011)[10][page needed]

  Bengali (35.53%)
  Assamese (24.93%)
  Hindi (13.44%)
  Others (26.1%)

On the Bongaigaon city municipal board, Hindus comprise the majority by 90.73%.[citation needed] The majority of the city population works in the service industry.[citation needed]

Bongaigaon city area has a population of 139,650 as per the 2011 census. Bengali is spoken by 49,617 people, Assamese by 34,814, Hindi by 18,768, and 36,448 people speak other languages.[12][irrelevant citation]


A park in Bongaigaon

Media and technology[edit]

The most popular Assamese newspaper of Assam, Asomiya Pratidin, is published from Bongaigaon along with Guwahati, Dibrugarh and North Lakhimpur.

Indian Oil Corporation Limited[edit]

The Bongaigaon Refinery is the eighth largest refinery of Indian Oil. Formed upon the amalgamation of Bongaigaon Refinery and Petrochemicals Limited (BRPL) with Indian Oil on 25 March 2009, Bongaigaon refinery is situated at Dhaligaon in Chirang district of Assam, 200 km west of Guwahati.

Bongaigaon Refinery Main Gate side of National Highway No. 31 (A1)

It has two Crude Distillation Units (CDU), two Delayed Coker Units, and a Coke Calcination Unit (CCU) with a processing capacity of 2.35 million tonnes per year of crude oil. The first CDU with a capacity of 1 million tonnes per year was commissioned in 1979. The capacity was increased to 1.35 million tonnes per year in 1986. An LPG bottling plant with a capacity of 44 million tonnes per year was commissioned in 2003.

The refinery produces a wide range of petroleum products, namely LPG, Naphtha, MS, SKO, HSD, LDO, LSHS, LVFO, RPC, CPC, Needle coke and solvents (Petrosol and Bonmex-II) by processing Assam Crude and Ravva Crude (from the Ravva oil fields of the Krishna Godavari Basin). Bongaigaon refinery has developed an ecological park and a pond surrounding it containing 65,000 cubic metres of water, through which the storm water drains of the plant are routed for final discharge. Another natural pond with a capacity of 30,000 cubic meters of water has been developed into an ecological reserve for migratory birds. A rainwater harvesting system has been installed in the Bongaigaon township complex and the installation of solar water heating systems and solar photovoltaic streetlights is underway. Bongaigaon refinery has received several awards for its ecological efforts, including a National Award for "Prevention of Pollution" from the Ministry of Environment and Forests on 16 September 2010, the Indira Gandhi Paryavaran Puruskar from the Ministry of Environment in 2006, and the Greentech Environment Excellence Gold Award in 2008.

Evening view of BGR Township Gate No. 2

Bongaigaon Refinery Township (BGR Township)[edit]

BGR Township is a residential campus for employees of the Indian Oil Corporation BGR. The town is located in Dhaligaon near Bongaigaon Refinery. In the township there are two schools (BGR HS School and DPS Dhaigaon) and two clubs, RCCC Club & Auditorium and Champa Club & Play Hub.[citation needed]

Mayapuri Cinema, Mayapuri City Centre



The nearest domestic and international airport is Lokpriya Gopinath Bordoloi International Airport, Guwahati.

New Bongaigaon Railway Junction (Front View)


Bongaigaon falls under the Northeast Frontier Railway zone of the Indian Railways network. There are two stations in Bongaigaon: New Bongaigaon railway station (the second largest railway junction in Assam) and Bongaigaon (old) station. Major trains serving Bongaigaon with major cities are the Dibrugarh Rajdhani Express, Poorvottar Sampark Kranti Express, Saraighat Express, Brahmaputra Mail, North-East Express, Guwahati Bangalore Express, Guwahati Ernakulam Express, and Kamrup Express. It is the largest station in Western Assam after Guwahati. According to the 2012 budget, New Bongaigaon Jn. is considered to be the Adarsh Station of India.

Biodiversity Special train name Science Express stands on a platform of New Bongaigaon Railway Junction
Dibrugrah-New Delhi Rajdhani Express on the platform no.3 of New BNGN Jn. Station

Construction of the 265 km (165 mi) long 5 ft 6 in (1,676 mm) broad gauge Siliguri-Jogihopa line, between 1963 and 1965, brought broad gauge railways to Assam. This was also the reason for constructing the New Bongaigaon railway station.[13]

A new railway track from New Bongaigaon to Guwahati was commissioned in 1984.[14]

Saraighat Bridge opened in 1962. It initially carried a metre gauge track, which was later replaced by broad gauge.[15]


National Highway 31 connects Bongaigaon with the states of Bihar, Jharkhand and West Bengal. National Highway 37 via Naranarayan Setu from Goalpara in Assam to Dimapur in Nagaland traverses the entire length of Assam and connects Bongaigaon with almost all the major cities of Assam, including Jorhat and Dibrugarh. National Highways 31C and 37 both connect Bongaigaon with Guwahati. There are several bus terminals in the city, providing connections with major cities of Assam such as Basugaon, Mangaldai, Gossaigaon, Dhubri, Barpeta, Tezpur, Goalpara, Abhayapuri, Kokrajhar, Bijni, Siliguri, Cooch Behar and Guwahati.


Night view of Bir Chilarai Flyover

In 2010 Bongaigaon city built the Bir Chilarai Flyover, to address the city's busy railway and road traffic, connecting three parts of the city:

  1. New Bongaigaon with the western part of Bongaigaon
  2. The north part of Bongaigaon City with the centre of Bongaigaon
  3. New Bongaigaon with the northern part of Bongaigaon City


There are 10 hospitals and many private dental clinicsin Bongaigaon city: the most notable are :

Bongaigaon Civil Hospital, Hatimura (OG)
  • S M Hospital
  • Lower Assam Hospital And Research Centre[16][17]
  • Swagat Hospital[18][19][20]
  • Dental house - a multispecialty dental clinic and implant centre
  • Chilarai Nursing Home
  • Arogya Hospital and Research Centre
  • St. Augustine's Hospital[21][22]
  • Bongaigaon Civil Hospital
  • Kajalgaon Civil Hospital
  • New Bongaigaon Railway Hospital[23][24]
  • Bongaigaon Refinery Hospital[25][26]


Bongaigaon Refinery HS School, Dhaligaon
DPS Dhaligaon

The number of schools in the city increased more rapidly after the refinery came into operation. They include:

Colleges in the city include:


Entertainment and commercial centres[edit]

Mayapuri Cinema, as seen from outside
Mayapuri Cinema, as seen from outside

The city has two movie theatres: Jolly Max Theater and Mayapuri Cinema.[citation needed] There are various public markets in different parts of the city.

Koyakujia Bil[edit]

View of Koya Kujia lake

Koya Kujia Eco Park, a natural body of water converted into an eco park[clarify] by the district rural development agency of Bongaigaon, is a tourist attraction situated near Abhayapuri about 15 kilometers from Bongaigaon[citation needed], open since September 2008. The park consists of many small islands with myriad flora and fauna, including many migratory birds.[35]

Bagheswari Temple[edit]

Bagheswari Temple
Bagheswari Temple

Bagheshwari Temple is a temple devoted to Goddess Durga for followers of the Hindu religion in Western Assam. The temple is located in the centre of the city, in Borpara. According to legend, the king of Abhayapuri decided to build a temple after a sword was found at the site. The name of the temple means "devoted to the tiger" (Bagh), taken from a nearby hill, Bagheswari pahar, where tigers lived as late as the middle of the 20th century.[citation needed]

Bagheswari Hill[edit]

Bagheswari hill, situated in the middle of the city, has a Shiv temple at its peak, and elevated views of the whole city.

Kakoijana Forest Reserve[edit]

Covering an area of around 20 km2 to the south-east of the city,[36] the park is known for its populations of golden langur[36] and birds.[citation needed]

Manas National Park[edit]

Bongaigaon city is the entry point for the Manas National Park and wildlife sanctuary, a UNESCO listed natural World Heritage Site, a Project Tiger reserve, an elephant reserve and a biosphere reserve. Located in the Himalayan foothills, it is contiguous with the Royal Manas National Park[4] in Bhutan. The park is home to rare and endangered endemic wildlife such as the Assam roofed turtle, hispid hare, golden langur and pygmy hog, and is well-known for its population of wild water buffalo.[37][full citation needed]


Chilarai Indoor Stadium

The multipurpose Chilarai Stadium is situated at Barshangaon, on the outskirts of Bongaigaon. The town also has an indoor stadium named Chilarai Indoor Stadium, a swimming pool named BDSA Swimming Pool at Borpara, and a mini stadium near Chapaguri Road.

See also[edit]


  1. ^ "Global 500". Fortune Global 500. Retrieved 31 August 2013.
  2. ^ "List of Maharatna, Navratna and Miniratna CPSEs". Archived from the original on 19 July 2013. Retrieved 28 July 2013.
  3. ^ "IOC Raises 500 MN in Dollar Bond Issue". Press Trust of India. 29 July 2013.
  4. ^ a b "WWF - Royal Manas National Park, Bhutan". Archived from the original on 7 November 2009.
  5. ^ Amelan, Roni (21 June 2011). "Successful preservation of India's Manas Wildlife Sanctuary enables withdrawal from the List of World Heritage in Danger".
  6. ^ "WORLD : Separatists' Bombs Kill 17 in India". Los Angeles Times. 14 March 1989. Retrieved 28 July 2022.
  7. ^ "Flood situation 'critical' in India's Assam". 20 June 2022. Archived from the original on 22 June 2022. Retrieved 28 July 2022.
  8. ^ "List of Parliamentary & Assembly Constituencies" (PDF). Assam. Election Commission of India. Archived from the original (PDF) on 4 May 2006. Retrieved 5 October 2008.
  9. ^ "Maps, Weather, and Airports for Bongaigaon, India". Archived from the original on 26 October 2010. Retrieved 28 July 2022.
  10. ^ a b "District Report BONGAIGAON" (PDF). commissioned by Ministry of Minority Affairs, Government of India. Archived from the original (PDF) on 23 May 2012. Retrieved 10 January 2012.
  11. ^ "Historical Weather for Delhi, India". Weather Underground. Retrieved 27 November 2008.
  12. ^ "DDW-C16-TOWN-STMT-MDDS-1800.XLSX" (XLSX). Archived from the original (XLSX) on 24 July 2018.
  13. ^ Moonis Raza & Yash Aggarwal (1986). Transport Geography of India: Commodity Flow and the Regional Structure of Indian Economy. page 60. Concept Publishing Company, A-15/16 Commercial Block, Mohan Garden, New Delhi - 110059. ISBN 81-7022-089-0. Retrieved 12 May 2013.
  14. ^ "IR History: Part V (1970-1990)". IRFCA. Archived from the original on 12 December 2004. Retrieved 12 May 2013.
  15. ^ Kalita, Kangkan (7 November 2012). "50 years of Saraighat bridge". The Times of India. Archived from the original on 3 January 2013. Retrieved 12 May 2013.
  16. ^ "Lower Assam Hospital And Research Centre — Bongaigaon". Archived from the original on 1 February 2014. Retrieved 23 January 2014.
  17. ^ "Lower Assam Hospital". Retrieved 31 July 2014.
  18. ^ "Swagat Hospital - About - Google+". Archived from the original on 4 March 2014. Retrieved 23 January 2014.
  19. ^ "Swagat Hospital & Research Centre".
  20. ^ "Swagat Hospital BONGAIGAON, Assam".
  21. ^ "St. Augustine Hospital — St. John's Rural Mission". Archived from the original on 8 August 2014.
  22. ^ "Bongaigaon branch IMAASB" (PDF). Archived from the original (PDF) on 8 August 2014.
  23. ^ "New Bongaigaon Railway Hospital". Archived from the original on 4 March 2014. Retrieved 31 July 2014.
  24. ^ "New Bongaigaon Railway Hospital".
  25. ^ "BRPL Refinery Complex".
  26. ^ "The Telegraph - Calcutta : Northeast".
  27. ^ "BGR HS School, Dhaligaon". Archived from the original on 11 January 2014. Retrieved 2 April 2010.
  29. ^ "LB ACCADEMY in Bongaigaon, Assam". Archived from the original on 11 January 2014. Retrieved 2 April 2010.
  30. ^ "Borpara LP School". Retrieved 2 April 2010.
  31. ^ "Official portal of Birjhora Mahavidyalaya, Bongaigaon Science College, Bongaigaon,Assam,North East India". Archived from the original on 10 August 2009.
  32. ^[permanent dead link]
  33. ^ "Bongaigaon B.Ed. College". Archived from the original on 10 January 2014. Retrieved 15 April 2019.
  34. ^ "SAI Group of Institutions". Archived from the original on 10 May 2015.
  35. ^ "Tryst with park on treasure island". Archived from the original on 14 January 2010. Retrieved 20 April 2016.
  36. ^ a b Kashyap, Samudra Gupta (28–29 June 2007). "14 years on, Kakoijana forest continues fight for sanctuary status - Indian Express". Retrieved 14 April 2016.
  37. ^ Choudhury, A.U.(2010)The vanishing herds : the wild water buffalo. Gibbon Books, Rhino Foundation, CEPF & COA, Taiwan, Guwahati, India

External links[edit]