Answer:
The Treaty of Sugauli, the treaty that established the boundary line of Nepal, was signed on 2 December 1815 and ratified by 4 March 1816 between the East India Company and Raj Guru Gajaraj Mishra with Chandra Shekhar Upadhaya for Nepal following the Anglo-Nepalese War of 1814-16. The treaty represented a Nepali surrender to the British and contained the cession of Nepal's western territory to the British East India Company.
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