Explanation:

About Chamba distt. :  Chamba is the northwestern district of Himachal Pradesh, in India, with its headquarters in Chamba town. The towns of Dalhousie, Khajjhiar and Churah Valley are popular hill stations and vacation spots for the people from the plains of northern India. Chamba is the only district in northern India to preserve a well-documented history from c. 500 AD. Its high mountain ranges have given it a sheltered position and helped in preserving its centuries-old relics and numerous inscriptions.