Chandel Rajput kingdom of the Sutlej valley, known as Kahlur after its citadel Kot Kahlur; premier state of the Simla Hill group, it claimed tribute from a dozen lesser chiefships until 1790, and its invitation to the Gurkhas in the 1790s let Nepal into the western hills.
Its call for Gurkha help ended in the Anglo-Nepalese War; restored under British protection in 1815, the state acceded to India in 1948 and was merged into Himachal Pradesh in 1954.
The atlas holds 4 border frames for Bilaspur State (Kahlur) — the shape you scrub through changes in 900 · 1799 · 1819 · 1850.
Chapter XIII (pp. 494-513) is the scholarly history of Bilaspur, weighing the Bilaspur Binod chronicle against the c. 900 foundation.
The Bilaspur State gazetteer section: dynasty, 1653 capital move, tribute list, Gurkha invitation and administration.