The greater part of Bushahr was lying with in the drainage area of the Satluj, which runs from North-West to South-West.

Another legend describes Pradyumna the youngest of two brothers who had come from "Kanchanaapuri" in the south on pilgrimage to the "Bhimakali" temple at Sarahan.

Pradyumana who happened to enter the place gate first at a specified timeas had been ordained by the goddess "Bhimakali" was declared as their ruler.

He is said to have reduced tributes to Raja of Sirmaur, Garhwal, Mandi and Suket and to have subdued the thakur's of Keonthal, Kothkhai, Kumhar-Sain, Balsan, Theog, Darkoti Rana of Jubbal etc.

at the time of this war there was an alliance and a brief general agreement about friendly relations and exchange of envoys between Raja Kehri Singh of Bushahar and VI Dalai Lama.

Tibbet and Bushahar would remain friends and traders from both sides would enjoy all facilities without payment of any tax.

Part of erstwhile Bushahr state was separated by the river Satluj was occupied by a Gorkha king from central Nepal from 1803 to 1815.

Both parties eventually signed the Treaty of Sugauli, following which the Gurkhas were expelled from Kamru, the capital of Bushahr.

[citation needed] In 1898, Bushahr state was taken over by the British administration, although the Râja remained nominally in charge.

The current residence of the "Raja of Bushahr state" is at the Padam Palace at Rampur, Shimla district.

Bushair was one of the richest princely states in the hills and was an important center for trade between Tibet, Kinnaur and the lower areas.