• A total of 95 genera of phytoplankton, belonging to 13 classes and 7 phyla and 36 genera belonging to 11 classes and 4 phyla of zooplanktons were recorded from entire stretch of River Ganga. Pollution indicator species of Phytoplankton in River Ganga were positively correlated with water nutrient parameters like Total-N, Nitrate-N, Total Phosphate and Silicate during the study.
• However, 93 genus of periphytonic group belonging to 75 genus of phytoplankton and 18 genus of zooplankton were also recorded in the present study.