Prefeasibility Study on the Development of Ayeyarwady River by Water Level Regulation ( Wiers , Lock Gates, Generation of Hydro Power, Low Head Dams) was conducted from (1.3.2013 to 1.9.2013) at Yandapo, Lanywar, Min Hla and Aunglan (Yonesaik) by SBE nv Engineering Company from Belgium. It was reported that all the four locations are feasible for the pilot project for water level regulation. The study is on hold according to the comment from the Expert Group of National Water Resources Committee - NWRC that states the study for the construction of big structures on Ayeyarwady River should be conducted only after the Basin wide Ayeyarwady River Master Plan.