Paudital Lassa Hydro-Electric Project is a run–of–the river type development on Pabbar river, a major tributary of river Tons, in Shimla District of Himachal Pradesh. The Project is located at Rohru, Shimla.District H.P. Himachal Pradesh is located in the Western portion of the Great Himalayan Mountain range of Northern India., bounded by the state of J&K to the North, Tibet to the East and plains of North India to the South and West. National Highway-22 passes through Shimla and Theog. The site can be approached from this road by a Shimla-Theog-Rohru. A road on the right bank of the river goes up to the proposed diversion site. The proposed Power House site is on the left bank.