British Garhwal British territory led to the Anglo-Nepalese War in 1814. At the termination of the campaign, on 21 April 1815, the British establish their rule over the eastern, half of the Garhwal region, which lies east of Alaknanda and Mandakini river, which was later on, known as British Garhwal and Dun of Dehradun, along with Kumaon, which was merged with British India as a result of the Treaty of Sugauli, while the western ,
