Zooplankton plays a vital role in the aquatic food chain particularly for fishes and aquatic animals. The current study was conducted on community of Zooplankton in Kagina River Dam, Kachur, Sedam Taluk, Kalaburagi, Karnataka. Water samples were collected every month for oneyear i.e., October 2022 to September 2023. Twenty species of zooplankton are recorded and are belong to three groups such as rotifer (Eight species), Cladocera (Six species) and Copepoda (Six species). From the investigation, we can conclude that the Rotifera is the dominant group among the other groups of zooplankton recorded during the survey.