Located on the river Alkananda, a major tributary of the Ganges, our mandate included executing all major civil works with the major components being upstream & downstream coffer dams, diversion tunnel, a 90 m high concrete gravity dam with 8 spillway bays & 4 under sluices, a head race tunnel, intakes with gate hoist buildings, 1 km long head race tunnels, HRT outlet connected to the desilting basin, 4 km of concrete-lined power channel, forebay intakes, bypass intakes and channels, surface powerhouse, tail race tunnel, box culvert bridge and a box culvert bridge.