Jul 05, 2017 HPPCL commissions 50 MW unit of Sainj Hydro Power project Sainj Hydro Power project is a run-of river project has been developed on river Sainj, a tributary of river Beas in Kullu district and comprises a diversion barrage on the river Sainj near village Niharni and underground power house on right bank of river Sainj near village Suind.