to feed water to a pump house (3 x 15 MW) located on the left side of the powerhouse. The pump house will have three pump sets each of 5000 cusecs flow capacity to feed into the NS main right bank canal. Power generation from the 90 MW powerhouse is no way affected since its units can only operate when the reservoir level is above 540 ft MSL and the pumping units need to operate below the 508 ft MSL to draw water from the dead storage. Thus nearly 50 TMC water can be utilized during the drought years. The power generation units are normally in operation for five months in a year when the water level is above its minimum draw down level at MSL. During the drought years, the additional water availability is more valuable than the pumping power consumption. The consumed pumping power is compensated fully by the enhanced generation from the 44 MW capacity mini hydel plants located on the downstream canals. The sill level of river sluices of the dam is at MSL. Nearly 90 TMC of water from the dead storage can be released from the river sluices to the downstream river tail pond during drought periods and further pumped to the adjacent right bank canal by constructing a pumped storage hydroelectric power (PSHP) station. The PSHP station can also be used to transfer Godavari water to the Nagarjuna Sagar reservoir by converting the existing right bank canal powerhouse (3 x 30 MW) into PSHP units to transfer 15,000 cusecs into the Nagarjuna Sagar reservoir. Both PSHPs together can also be used for energy storage purposes on daily basis by consuming surplus power and generating electricity during the peak load hours. The reservoir dead storage water below the 125 m MSL can be fully released into the downstream river/tail pond through the existing diversion tunnel which was in use to divert the river flow during the dam construction. Pumped storage hydro power potential Nagarjuna Sagar reservoir, serving as low level reservoir, has potential to install nearly 2,18,000 MW high head pumped storage hydroelectric plants on its right side. Assured water supply to Hyderabad city At present nearly one Tmcft per month or 250 million gallons per day or 350 cusecs is supplied to the Hyderabad city from Nagarjuna Sagar (NS) reservoir. The water supply is nearly 50% of the total city water requirement. This