Wikipedia
Kangra-Lambagraon was a historical princely estate (jagir) located in the Punjab region (present-day state of Himachal Pradesh). In 1947, the estate comprised 437 villages, encompassing an area of 324 km². It had with a Privy Purse of Rs 70,000/- and enjoyed a revenue of approx. Rs.1,76,000/-.
The rulers of the estate belonged to the ancient Katoch dynasty of Rajputs which had ruled the former Kangra State. Trigarta Trigarta Kingdom, Jalandhar and Multan were other names by which the state was known in former times. Kangra is credited with being the oldest and largest state in the Punjab Hills.
Kangra State was extinguished and annexed by Sikh Empire in 1810. Its ruler was granted the jagir of Lambagraon by Treaty of Jawalamukhi. In 1846 Kangra was annexed to British India as part of the Treaty of Lahore.