Bhutan War 1864-65

The Bhutan war is also known as Duar War and this ended in the defeat of the Bhutanese army. The peace was brought by “Treaty of Sinchula” which was signed on 11 November 1865. Bhutan ceded territories in the Assam Duars and Bengal Duars, as well as around 80,000 kilometers of Dewangiri (Deothang) to British in return for an annual subsidy of 50,000 rupees.