Explanation:

 The Treaty of Lahore was signed in 1846, in which the Rajas agreed to cede the territory of Chamba district. From then on, relations with the British were cordial, and all of the Rajas of Chamba under the British rule, Sri Singh, Gopal Singh, Sham Singh, Bhuri Singh, Ram Singh, and Laxman Singh, were on good terms with the British army officers.