At Aliyar, which would cost Rs 6,500 crore, both the lower and upper reservoirs already exist. The work of tender bid documents preparation is underway and is expected to be floated by June.

The PAP comprises 10 major dams, including Sholayar, Parambikulam, Aliyar and Thirumoorthy Dam, four powerhouses, six main tunnels, numerous irrigation canals, branch canals, and supporting canals.