Explanation:

Many progressive reforms and developments were made in Chamba under the British. In 1863, the first Post office was established in Chamba and a daily mail service and a primary school.[16] In December, 1866, a hospital was opened by Doctor Elmslie of the Kashmir Medical Mission. In the late 1860s two new roads to Dalhousie via Kolri and Khajiar were built. Gopal Singh, who ruled from 1870 to 1873, after abdicating, was responsible for building the grand Jandarighat Palace as his summer residence