It is needles to mention that water a compound of hydrogen and oxygen is a precious natural gift which is very essential for survival of mankind. Pure and safe drinking has always been a necessity. The demand for packaged drinking water has been increasing day by day.

The water available from untreated sources such as well, boreholes and spring is generally not hygienic and unsafe for drinking thus; it is desirable and necessary to purify the water and supply under hygienic condition for human drinking purpose.