Pratap was the first ruler of Panwar dynasty in Garhwal who founded Chanpur-Garhi as his capital. This was the strongest (fort) of the fifty-two in of garhwal.

The devastating earthquake of 8 September 1803 weakened the economic and administrative set-up of Garhwal state. Taking advantage of the situation, Gorkhas attacked Garhwal under the command of Amar Singh Thapa and Hastidal Chanturia. They established there, reign