The Lungleng Hydroelectric Project is located in Aizawl district of Mizoram which helps in utilization of the waters of the Tyao river. It generates power as a storagetype development, harnessing a gross head of about 137 m. The diversion site is located at. The dam site is approachable from Lungleng which is 25 km from Aizawl. The Tyao river is also known as Tlawng or Dhaleswari or Katakha which is a tributary of River Kaladan from Burma. It is an important, very useful and the longest river in the state of Mizoram. Tlawng River passes through the Aizawl District and it flanks the western side of Aizawl City.