In India water pollution reached at hypercritical place. Now days in India most of the rivers are considered as polluted. It is given by national environmental engineering research institute (NEERI) Nagpur, approx 70% Indian river water are considered polluted . Many Scientist considered River Ganga as polluted river after studying its parameters Mirzapur by studied and shows the River Ganga polluted in Varanasi. The both study were done and culminate into a common conclusion which shows that the physicochemical characteristics of Ganga River water is continuously decreasing and till now following the same track. The Bacteriological study of Ganga river pollution was studied by and the Varuna River studied by . The reports finds that the presence of a large number of microorganisms including pathogenic and non-pathogenic are very high and even in their excess limit. Sewage water quality that is merging into the river Yamuna was studied and reported by . The Yamuna river water quality analyzed by and further by by Okhla, whereas The bacterial analysis of Yamuna River at Delhi is done by . After the study it is clear that River Yamuna is more poorer than Ganga in many cities. The production of blue-green algae study of River Gomati is reported by .