Bilaspur (bēläsˌpŏrˈ) [key]. 1 Former principality, Himachal Pradesh state, NW India, in the W Himalayas. It is the site of the Bhakra dam, a massive project on the Sutlej River. The town of Bilaspur (1991 pop. 10,609), formerly the capital, trades in agricultural products. 2 City (1991 pop. 229,615), Chhattisgarh state, central India. Founded in the 17th cent., the city is a district administrative center and an agricultural market. It is an important rail junction and manufactures wood products.