<P> Situated on the river Giri of the Sirmour District, Girinagar Hydel project has an installed capacity of 60 MW, with 2 units of 30 MW each . This project, which is run - off - the - river scheme comes under HPSEB and is operational for 29 years. 121 </P> <P> The project with an installed capacity office 16 MW comprising 3 units each, is located near Baijnath in District Kangra . The project is situated 25 km from Palampur and 14 km from Baijnath is constructed at an elevation of 1515 mets . above the mean sea level . This project constitutes a 62 mets . long tunnel that connects trench weirs in Banu Khad and Prahal Khud . </P> <P> Located in the Kinnaur district, on the river Bhaba is a completely underground project with an installed capacity of 120 MW, comprising 3 units each of 40 MW . The uniqueness of this project lies in its underground switchyard, a feature that no other hydel project in Asia can brag about . Completed in 1989 - 90, the estimated cost was about 167 crore rupees . The total length of tunnels including those secured in after completing the project is 12 km . </P> <P> Bassi project (66 MW) is an extension of Beas Power House (Mandi District) constituting 4 units of 16.5 MW each . It utilizes the tail water of Shanon Power House of Joginder Nagar project and generates 145 MW per annum . </P>

Asia's first underground hydel project is located in which state