[1] When completed, the project will provide irrigational facilities to 447,000 acres and drinking water to 1.5 million people in 30 Mandals of fluoride and drought affected areas in Prakasam district, Nellore district and Kadapa district by diverting 43.5 TMC of floodwater from the Krishna River from foreshore of Srisailam Reservoir near Kollamvagu and proposed to store in Nallamalasagar Reservoir.

About 2.58 TMC water to the mega industrial hub at Donakonda in Prakasam district and another 1.27 TMC water National Investment and Manufacturing Zone (NIMZ) in Pamuru and Pedacherlopalle mandals of Prakasam district are also parts of the expanded scope of the project.

[9] The project construction was started by YS Rajasekhara Reddy when he was the CM of the undivided AP in 2006.

The contractors who bagged the project were also vexed due to difficulties in making the tunnels in the toughest terrain.

[12] The remaining length of second tunnel is completed using drilling and blasting method by January 2024 albeit with 5 m diameter instead of 9.2 m paving the way to fill the project reservoir.