life and its process. There are four categories of biodiversity of ecosystem. These are inland water, forest, marine and coastal biodiversity. Maintaining biological diversity helps in maintaining resources and ecological services. Due to human influence they are altered and introduction of alien species provides further ecological problems. The lakes are used for many purposes and hence they are the ones, which are exploited more. Benthic macro invertebrates are best indicators for Bioassessment. The abiotic environment of the water body directly affect in the distribution, population...