Treaty of Sagauli (March 4, 1816), agreement between the Gurkha chiefs of Nepal and the Anglo-Indian government that ended the Anglo-Nepalese War (Gurkha) (1814-16). By the Treaty of Sugauli, Nepal renounced any rights to the Tarai or the controversial plains and abandoned its conquests west of the Kali River, which stretched to the Sutlej River. Nepal remained independent, but obtained a British resident with the status of ambassador to an independent country and not a control agent of the supreme government in an Indian state. Among the border disputes around the Indo-Nepalese border are the most important in the Susta and Kalapani regions.  The two regions cover about 40 km of the Indo-Nepal border. The British before independence used the Lipu Lekh Pass for trade with Tibet and China. Maps from the Survey of India since the 1870s showed the area from Lipu Lekh to Kalapani as part of British India. Rana`s leaders, both Nepalese and Nepalese, accepted the border and did not oppose the Indian government after India`s independence. Two of Nepal`s most important treaties – the Treaty of Sugauli of 1816 and the Treaty of Peace and Friendship of 1950 – have disappeared.
The originals of these two treaties, which have had a strong impact on Nepal`s history and foreign policy, are not preserved in the national repository or in the National Archives. “I saw and read the original copy of the Sugauli contract in London at the Public Records Office in Kew Gardens,” Shrestha said. “When I wrote a book, I tried to find the original text of the 1950 treaty, but I couldn`t find it anywhere in Nepal. I had to refer to a book published in Banaras. Similarly, the 1950 Peace and Friendship Treaty, signed between the rana regime of the day and the Indian government, established the provision to treat Nepalese and Indians equally in most cases in both countries. The treaty, which lay the contours of Nepal`s democratic relations with independent India, has since been challenged as “unequal” by parts of the Nepalese community. 1. Article 9 of the treaty stipulates that the treaty must be approved by the King of Nepal, but the registrations of the approval of the treaty by King Girvan Yuddha Bikram Shah have not been definitively followed. 2. The British feared that Nepal would not be able to implement the contract signed on 4 March 1816 by Chandra Shekhar Upadhyaya. Therefore, General David Ochterlony, on behalf of the British government, ratified the treaty on the same day and the counter-treaty was handed over to upadhyaya. 3. Some Nepalese nationalists argued that the treaty between the Nepalese kingdom and the British had been signed and that there was therefore “no force to be implemented between the Republic of Nepal and the Republic of India”.
However, the Republic of Nepal has assumed the obligations and responsibilities of all other treaties signed by the predecessor Kingdom of Nepal, including accession to the United Nations and other similar relations. But there is no treaty or other legal and formal conclusion that this Treaty of Sugauli will be followed by these two independent nations of Nepal and India. .