Boro, also called Bodo, is an ethnolinguistic group native to the state of Assam in India. They are a part of the greater Bodo-Kachari family of ethnolinguistic groups and are spread across northeastern India. They are concentrated mainly in the Bodoland Territorial Region of Assam, though Boros inhabit all other districts of Assam and Meghalaya.
West Garo Hills is an administrative district in Garo Hills of the state of Meghalaya in India. Tura town is the administrative headquarters of the district. The district occupies an area of 3714 km². In 2011, its population was 643,291. As of 2011, it is the second most populous district of Meghalaya, after East Khasi Hills.
Bongaigaon district (Prpn:ˈbɒŋgaɪˌgãʊ) is an administrative district in the state of Assam in northeastern India. The district headquarters are located at Bongaigaon. The district occupies an area of 1,093 km2.
Kokrajhar district is an administrative district in Bodoland Territorial Region of Assam. It is predominantly inhabited by the Boro tribe. The district has its headquarters located at Kokrajhar Town and occupies an area of 3,169.22 km2 (1,223.64 sq mi). It has two civil sub-divisions namely Parbatjhora and Gossaigaon and five revenue circles namely Kokrajhar, Dotma, Bhaoraguri, Gossaigaon and Bagribarilll
Kamrup Rural district, or simply Kamrup district, is an administrative district in the state of Assam in India formed by dividing the old Kamrup district into two in the year 2003; other being Kamrup Metropolitan district, named after the region it constitutes. This district, along with Nalbari, Barpeta, Kamrup Metropolitan, Bajali and Baksa districts has been created from the Undivided Kamrup district.
Jalpaiguri district is a district of the Indian state of West Bengal. The district was established in 1869 during British Raj.
Koch is a Sino-Tibetan language spoken by the Koch people of India and Bangladesh. It is primarily spoken in the Indian states of Meghalaya, West Bengal, and Lower Assam and in the parts of the country Bangladesh, where it serves as a major means of communication among the Koches and other ethnic groups in the region. Koch language is written with Assamese, Bengali, Roman scripts.
Garo, also referred to by its endonym A·chikku, is a Tibeto-Burman language spoken in the Northeast Indian states of Meghalaya, Assam, and Tripura. It is also spoken in certain areas of the neighbouring Bangladesh. According to the 2001 census, there are about 889,000 Garo speakers in India alone; another 130,000 are found in Bangladesh.
Bodo–Kacharis is a name used by anthropologist and linguists to define a collection of ethnic groups living predominantly in the Northeast Indian states of Assam, Tripura, and Meghalaya. These peoples are speakers of either Bodo–Garo languages or Assamese. Some Tibeto-Burman speakers who live closely in and around the Brahmaputra valley, such as the Mising people and Karbi people, are not considered Bodo–Kachari. Many of these peoples have formed early states in the late Medieval era of Indian history and came under varying degrees of Sanskritisation.
Goalpariya is a group of Indo-Aryan dialects spoken in the Goalpara region of Assam, India. Along with Kamrupi, they form the western group of Assamese dialects. The North Bengali dialect is situated to its west, amidst a number of Tibeto-Burman speech communities. The basic characteristic of the Goalpariya is that it is a composite one into which words of different concerns and regions have been amalgamated. Deshi people speak this language and there are around 20 lakhs people.
The Boro–Garo languages are a branch of Sino-Tibetan languages, spoken primarily in Northeast India and parts of Bangladesh.
The Mech is an ethnic group belonging to the Bodo-Kachari group of peoples. It is one of the scheduled tribes of India, listed both in West Bengal and Assam, India. They inhabit West Bengal, Nepal, Assam and Nagaland.
The Tiwa people, are a Tibeto-Burmese ethnic group primarily inhabiting the Northeast Indian states of Assam, Meghalaya, Arunachal Pradesh, Manipur and Nagaland, and some parts of neighbouring Bangladesh and Myanmar.
The Koch are a small trans-border ethnic group of Assam and Meghalaya in India and northern Bangladesh. The group consists of nine matrilineal and strictly exogamous clans, with some of them preserving a hitherto sparsely documented Boro-Garo language called Koch, whereas others have switched to local varieties of Indo-Aryan languages. It is a Scheduled Tribe in Meghalaya, India. Koches want to preserve language and culture and heritage.
The Hajong people are an ethnic group from Northeast India and northern parts of Bangladesh. The majority of the Hajongs are settled in India and are predominantly rice-farmers. They are said to have brought wet-field cultivation to Garo Hills, where the Garo people used slash and burn method of agriculture. Hajong have the status of a Scheduled Tribe in India and they are the fourth largest tribal ethnicity in the Indian state of Meghalaya.
The Rajbanshi, also Rajbongshi and Koch-Rajbongshi, are peoples from Lower Assam, North Bengal, eastern Bihar, Terai region of eastern Nepal, Rangpur division of North Bangladesh and Bhutan who have in the past sought an association with the Koch dynasty. Koch-Rajbanshi people speak Kamatapuri, belong to Indo-Aryan languages, though in the past they might have spoken Tibeto-Burman languages. The community is categorised as OBC in Assam and Bihar, and SC in West Bengal. In Nepal they are considered part of the Plains Janjati. In Bangladesh the community is classified as Plains ethnic group under 'Barman'. They are the largest Scheduled Caste community of West Bengal.
Rabha is a Sino-Tibetan language of Northeast India. The two dialects, Maituri and Rongdani, are divergent enough to cause problems in communication. According to U.V. Joseph, there are three dialects, viz. Róngdani or Róngdania, Mayturi or Mayturia and Songga or Kocha. Joseph writes that "the Kocha dialect, spoken along the northern bank of the Brahmaputra, is highly divergent and is not intelligible to a Róngdani or Mayturi speaker". Joseph also writes that "[t]he dialect variations between Róngdani and Mayturi, both of which are spoken on the southern bank of the Brahmaputra, in the Goalpara district of Assam and belong to the northern slopes of Meghalaya, are minimal". He concludes the paragraph on dialectal variation with: "The Róngdani-Mayturi dialectal differences become gradually more marked as one moves further west".
Goalpara region, largely congruous to the historical undivided Goalpara district, is a region that is associated with the people and culture of Goalpara. It is bounded on the north by Bhutan, on the east by the Kamrup region, in the south by Meghalaya and in the west by Cooch Behar and Jalpaiguri in West Bengal and Rangpur in Bangladesh. The natural landmarks are: Sankosh and Brahmaputra rivers on the west, the Manas river on the east in the north bank, and a corresponding region in the south bank; the Garo Hills in the south and Bhutan Hills in the north.
The population of Assam consist of tribal ethnic groups and linguistic groups such as Assamese, Bengali, Hindi speakers, Nepali and Odia speakers.
Deshi or Uzani people are an indigenous Muslim community residing mostly in Assam and other parts of eastern India. The Deshi Muslim people can be find in Meghalaya, North Bengal, eastern Bihar, Rangpur and Bogura of Bangladesh. In West Bengal and Bihar they are known as Nashya Shaikh. Deshis are Muslim converts from Koch, Mech or other indigenous communities. In July, 2022, the Government of Assam gave them recognition as an "Indigenous Assamese Muslims" community vide an Order.
India 
Hinduism (94.36%)
Christianity (5.17%)