Very short answer questions
1. What is Sugauli treaty and when was it signed?
Die

The war ended with the signing of the Treaty of Sugauli in 1816, which ceded some Nepalese controlled territory to the EIC. British victory with Treaty of Sugauli, (March 4, 1816), agreement between the Gurkha chiefs of Nepal and the British Indian government that ended the Anglo-Nepalese (Gurkha) War (1814–16).

Uh