Explanation: The Gorkhas wrested control of Nepal from the successors of Ranjit Malla of Bhatgaon in 1760.

• They began to expand their dominion beyond the mountains. They found it easier to expand in the southern direction, as the north was well defended by the Chinese.
• In 1801, the English annexed Gorakhpur which brought the Gorkhas’ boundary and the Company’s boundary together.
• The conflict started due to the Gorkhas’ capture of Butwal and Sheoraj in the period of Lord Hastings (1813-23).
• The war, ended in the Treaty of Sagauli, 1816 which was in favour of the British.

Source: Spectrum Modern India