In the present study, avifaunal diversity of Atal Sagar Dam has been studied to know the status of this dam during June 2016 to May 2017. Four sites have been selected for the observation of current status of bird depicted as Sluice Outlet (Near Madikhada village), Ukayala village, Udwaha village and Amola village. Visual encounter surveys was by using the line transect and point count methods, picture were also taken for identification of bird. Total 34 species of aquatic birds were recorded belonging to 15 families and 9 order during the study period.