A comparative study has been carried out to study the variation in the quality of industrial effluent of Sitapura Industrial Area, Jaipur in pre-monsoon and monsoon season. The industrial effluent samples were analysed for various parameters like pH, Electrical Conductivity, Total dissolved solids, Total suspended solids, Total solids, Sodium, Potassium, Chloride, Nitrate, Hardness, Total Alkalinity, Sulphate, Phosphate, Fluoride, Chemical Oxygen Demand and Dissolved Oxygen were analysed in pre-monsoon and monsoon season and the results of analysis indicated that most of the parameter were at higher level in the pre-monsoon season.