Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. Symptoms typically begin three to fourteen days after infection. The dengue virus is the cause of dengue fever. Dengue viruses are arthropod its born viruses (arboviruses) in the genus Flavivirus [1]. (Family Flaviviridae) with the positive polarity. Single-stranded RNA. is utilized Aedes (stegomyia) spp primarily. Albopictus is a vector for domestic and peridomestic transmission. And arboreal Aedes vector for enzootic transmission of the flavivirus genus including other important pathogens such as yellow fever.

Physio-Chemical characteristics of Khandelwal reservoir near Pune were monitored for Physio-Chemical parameters like temperature, pH, electric conductivity, Sodium, Potassium, Calcium, Magnesium, Silica, Iron, Bicarbonate, Chloride, Sulphate, Nitrate, Phosphate, dissolved Oxygen, biological Oxygen demand & chemical Oxygen demand.

Hypertension has been identified by WHO as one of the most significant risk factors for morbidity and mortality worldwide and is responsible for the deaths of approximately nine million people annually [1] .Hypertension is a major public health problem due to its high prevalence all around the globe . Around 7.5 million deaths or 12.8% of the total of all annual deaths worldwide occur due to high blood pressure.