The Tharu people are an ethnic group indigenous to the Terai in southern Nepal and northern India. They speak Tharu languages. They are recognized as an official nationality by the Government of Nepal. In the Indian Terai, they live foremost in Uttarakhand, Uttar Pradesh and Bihar. The Government of India recognizes the Tharu people as a scheduled Indian tribe.
Bhotiya or Bhot is an Indian and Nepali exonym lumping together various ethnic groups speaking Tibetic languages, as well as some groups speaking other Tibeto-Burman languages living in the Transhimalayan region that divides India from Tibet. The word Bhotiya comes from the classical Tibetan name for Tibet, བོད, bod. The Bhotiya speak numerous languages including Ladakhi, Drejongke, Yolmo and Sherpa. The Indian recognition of such language is Bhoti / Bhotia having Tibetan scripts and it lies in the Parliament of India to become one of the official languages through Eighth Schedule of the Indian Constitution.
The Terai or Tarai is a lowland region in parts of southern Nepal and northern India that lies to the south of the outer foothills of the Himalayas, the Sivalik Hills and north of the Indo-Gangetic Plain. This lowland belt is characterised by tall grasslands, scrub savannah, sal forests and clay rich swamps. In North India, the Terai spreads from the Yamuna River eastward across Haryana, Uttarakhand, Uttar Pradesh, Bihar and West Bengal. The Terai is part of the Terai-Duar savanna and grasslands ecoregion. Nepal's Terai stretches over 33,998.8 km2 (13,127.0 sq mi), about 23.1% of Nepal's land area, and lies at an elevation of between 67 and 300 m. The region comprises more than 50 wetlands. North of the Terai rises the Bhabar, a narrow but continuous belt of forest about 8–12 km (5.0–7.5 mi) wide.
Udham Singh Nagar is a district of Uttarakhand state in northern India. Rudrapur is the district headquarter. The district consists of nine Tehsils named Bajpur, Gadarpur, Jaspur, Kashipur, Khatima, Kichha, Nanakmatta, Rudrapur, Sitarganj. The district is located in the Terai region, and is part of Kumaon Division. It is bounded on the north by Nainital District, on the northeast by Champawat District, on the east by Nepal, and on the south and west by Bareilly, Rampur, Moradabad, Pilibhit and Bijnor District of Uttar Pradesh state. The district was created on 29 September 1995, by Mayawati government out of Nainital District. It is named for freedom fighter and Indian revolutionary Udham Singh.
Dhangadhi is a sub-metropolitan city and the district headquarters of Kailali District in Sudurpashchim Province of Nepal. It shares a border with India in the south, Godawari and Gauriganga Municipality in the North, Kailari Rural Municipality in the east and Kanchanpur District in the west. Dhangadhi is a sub-metropolis divided into 19 wards. It has an area of 271.74 Sq. KM. It is one of the major cities of Far - West Province of Nepal along with Mahendranagar. The city is connected with the Mahakali Highway, about 750 kilometers west of Kathmandu.
Bardiya District, one of the seventy-seven Districts of Nepal, is part of Lumbini Province of Nepal. The district, with Gulariya as its headquarters, covers an area of 2,025 km2 (782 sq mi) and according to the 2001 census the population was 382,649 in 2011 it has 426,576.
Kailali District, a part of Sudurpashchim Province in Terai plain, is one of the 77 districts of Nepal. The district, with Dhangadhi as its district headquarters, covers an area of 3,235 square kilometres (1,249 sq mi) and has a population of 911,155 and, .
Kanchanpur District, a part of Sudurpashchim Province in the Terai plain, is one of seventy-seven districts of Nepal. The district, with Bhimdatta as its district headquarters, covers an area of 1,610 square kilometres (620 sq mi) and had a population of 134,868 in 2001 and 171,304 in 2011. It is located in south-western of Nepal. It is bordered by Kailali district in the east, Dadeldhura district in the north and with India in the south and west.
Doti, also known as Dotigarh (डोटीगढ़) or the Far-Western Development Region was a development region of Nepal situated between River Kali bordering Kumaon division of Uttarakhand, India in the west and the Karnali river on the east. Doti was one of eight different princely states of the Katyuri Kingdom.
Mahendranagar, officially known as Bhimdattanagar, is a municipality in Kanchanpur District of Sudurpashchim Province, Nepal. The city and the municipality were named Mahendranagar in honour of the late King Mahendra of Nepal. After becoming a republic in 2008, the Mahendranagar municipality name was changed to Bhimdatta municipality in honour of the revolutionary farmer leader Bhimdatta Panta. It is surrounded by Bedkot Municipality in the east, Dadeldhura District in the north, Shuklaphanta National Park in the south and Uttarakhand, India in the west.
Madheshi people is a term used for several ethnic groups in Nepal living in the central and eastern Terai region of Nepal. It has also been used as a political pejorative term by the Pahari people of Nepal to refer to Nepalis with a non-Nepali language as their mother tongue, regardless of their place of birth or residence. The term Madheshi became a widely recognised name for Nepali citizens with an Indian cultural background only after 1990.
The Tharu or Tharuhat languages are any of the Indo-Aryan languages spoken by the Tharu people of the Terai region in Nepal, and neighboring regions of Uttarakhand, Uttar Pradesh and Bihar in India.
Lampucchwa Tharu or Morangiya Tharu is one of the endogamous subgroups of Tharu people which are an ethnic group indigenous to the Terai, the southern foothills of the Himalayas in Nepal and India. Likewise Morangiya Tharu dwells in the Eastern plain or Terai of Nepal. They can be found mainly in the districts of Morang and Sunsari. Though found in two districts, they are called by Morangiya Tharu as those two districts were one district before 1962. Within the group, they refer to themselves as Morangiya Tharu, but people from other regions would call them Lampucchwa.
Madhesh Province is a province of Nepal in the Terai region with an area of 9,661 km2 (3,730 sq mi) covering about 6.5% of the country's total area. It has a population of 6,126,288 as per the 2021 Nepal census, making it Nepal's most densely populated province and the smallest province by area. It borders Koshi Pradesh to the east and the north, Bagmati Province to the north, and India’s Bihar state to the south and the west. The border between Chitwan National Park and Parsa National Park acts as the provincial boundary in the west, and the Kosi River forms the provincial border in the east. The province includes eight districts, from Parsa in the west to Saptari in the east.
Sudurpashchim Province is one of the seven provinces established by the new constitution of Nepal which was adopted on 20 September 2015. It borders the Tibet Autonomous Region of China to the north, Karnali Province and Lumbini Province to the east, and India's states of Uttarakhand and Uttar Pradesh to the west and south, respectively. The province covers an area of 19,999.28 km2, or about 13.55% of the country's total area.
The following outline is provided as an overview of and topical guide to Uttarakhand:
Kailari is a rural Municipality in Kailali District in Sudurpashchim Province of Nepal. It is surrounded by Bajani Municipality In the East, Dhangadhi Sub Metropolitan City in the West, Gauriganga Municipality and Ghodaghodi Municipality in the North and Uttar Pradesh, India in the South.
Danguara Tharu also known as Dangauli Tharu, Dangora Tharu, or Dangura Tharu is one of the Tharu languages spoken by the Tharu people in the Dang, Kapilvastu, Banke, and Bardiya districts of the Lumbini Province and in Kailali and Kanchanpur district of Sudurpaschim Province of Nepal, primarily in the Western Terai Region as well as in Bahraich, Gorakhpur, and Lakhimpur Kheri districts of Uttar Pradesh in India.
Kathariya Tharu also known as Kathoriya Tharu is one of the Indo Aryan languages spoken by the Tharu people of Nepal and India. It is a language spoken in the Sudurpashchim Province of Nepal, particularly in the Kailali District, including areas like Bardagoriya, Bhajani, Ghodaghodi, Joshipur. Additionally, it is spoken in the Uttar Pradesh state of India, specifically in Bahraich and Lakhimpur Kheri districts near the Nepal border.
Rana Tharu is a Indo Aryan language spoken by the Rana Tharu people who are part of the Tharu ethnic group in the Sudurpashchim Province of Nepal, specifically in the Kanchanpur district's southern municipalities and Dhangadhi in the Kailali district. Rana Tharu is also spoken in specific areas of Uttar Pradesh, India including the Lakhimpur Kheri district, particularly in Palia Kalan and Chandan Chauki block, situated on the India–Nepal border. Additionally, it is spoken in the Udham Singh Nagar district of Uttarakhand state. It exhibits high intelligibility among its dialects, with reported percentages ranging from 96% to 99%. The language has linguistic distinctions with dialects in India and shows lexical similarities with Awadhi and Buksa as well.
Nepal 
India