[citation needed] According to Mian Goverdhan Singh in Wooden Temples of Himachal Pradesh, the principality of Sirmaur was founded in the 7th to 8th century by Maharaja of Parmar Rajputs, and Rathore noble.

[citation needed] Near the end of the 12th century in the year 1195, a flood of the Giri River destroyed the old capital of Sirmaur-Tal, which killed Raja Ugar Chand.

[citation needed] But by chance, shortly after this event a prince of Jaisalmer visited Haridwar as a pilgrim, and was invited by one of the minstrels of the Sirmoor kingdom to become its sovereign.

[citation needed] The eighth Rãjã conquered Ratesh, later a part of the Keonthal State, about 1150 and his successor subdued Jubbal, Balsan, Kumharsain, Ghond, Kot, and Theog, thus extending his dominions almost to the Sutlej.

[citation needed] His administration was marked by a great development of the agricultural resources of the State, and the tract of Kolagarh was also entrusted to him by the emperor.