Effect of idol immersion on water quality of twin lakes of Bhopal with special reference to heavy metals

Water quality of lake normall get contaminated every where by accumulaton of sediments, human waste, silt, organic matter, industrial waste but in India different type of religious activities (idol immersion) are taking place every year, to which other countries are not concerned. The water bodies selected for the study are Upper and Lower Lakes of Bhopal, Madhya Pradesh.