Explanation:

G0rkhas imperial power had virtually plundered Garhwal in 1791 . The Gorkhas forced Garhwal to sue for a costly peace by imposing an annual tribute of Rs 25000/ and demanded the presence of a permanent representative of Kathmandu court in the Garhwal darbaar . Gorkhas was planning to attack on Garhwal but meanwhile they changed their strategy due to ongoing dispute over trade . They attacked Tibet and took the control of the trade and mountain passes .