The present work has been undertaken to evaluate seasonal variation in physico-chemical parameters of soil samples collected from 'MAHISHI', Thana-Mahishi, Dist. Saharsa (Bihar). The soil characterization was carried out for parameters like pH, electrical conductivity, total chloride, total alkalinity, sulphate, bulk density, moisture, content, organic matter, calcium, magneshium, sodium and potassium. During the course of study period, fluctuation in the various parameters were recorded. The variety of values was observed in the different parameters due to the soil quality in different places.