 The river water needs to be lifted 1600 ft above its natural flow for it to reach Hyderabad, power consumption that is unjustifiable given that there are cheaper ways to get water to Hyderabad.Nagarjuna Sagar , Srisailam, Almatti and Ujjani dams together successfully halted the flow of Krishna River before it reaches the delta and is good case study of how to kill a mighty river with poor environmental oversight – the fourth largest in the country.Hamsaladeevi the point where Krishna used to meet the ocean does not have Hamsalu (swan) and the Deevi (island) will merge into the ocean in the next decade.