The present study was carried out during September 2020 to August 2022 diversity of freshwater fish species of Mungeli district (C.G.) in different ponds, Rahan river, Maniyari river, Aagar river, Khudiya dam and Madku dweep. The collection of fish samples the fisherman hired , active gear, cast net and drag nets were used for collection during 9.00 am to 12.00 pm. A total of 46 fish species belonging to 9 orders, 18 families and 38 genera were recorded during the study. The order Cypriniformes was the most dominant group, representing 21 species. This was followed by Siluriformes, Perciformes, Anabantiformes, Osteoglossiformes, Synbranchiformes, Gobiiformes, Beloniformes, Characiformes respectively. In present study, a total of 34 common, 10 scanty and 2 rare species were found in the study area. As per the values of Shannon (2.77–3.24 and 2.63–3.10) and Simpson's diversity (0.90-0.95 and 0.89- 0.94) indices, the fish community of the district Mungeli is diverse. The range of species richness indices 27-36 was obtained. The evenness index is 0.77–0.91 and 0.75-0.87, respectively. The study also revealed that the pond, river, dam are stressed due to man-made activities, industrial, chemical, agricultural runoff, and other forms of pollution, as well as overexploitation of fishes throughout the year. There is a need to make people aware of the importance, diversity, conservation, and fish productivity of these fish sources.