Atmospherics aerosols play a vital role in the field of study of Earth's radiation budget and their impact on climate change. The present study was carried out for the study of variation of aerosol characteristics during pre-monsoon season 2011 at different locations, (a) Jaipur (26.900 N, 75.900E), (b) Kanpur (26.40 N, 80.40 E) and (c) Gandhi College, Ballia (25.8° N, 84.2°E) over Indo Gangetic Basin (IGB) using AERONET level 1.5 data. Various interesting results are discussed in present paper in terms of aerosol optical and radiative properties. [ABSTRACT FROM AUTHOR]