In modern agriculture there is a pivotal role of pesticides in pest management though, the side effect pesticides on soil biological system is non avoidable. Experimental result shows that imidacloprid recorded increased azotobacter population while chlorpyrifos recorded less azotobacter in comparison with untreated check. All the treatments showed negative impact on the rhizobium population and rate of growth inhibition was to ; whereas the inhibition rate was ranged to in case of total bacteria population. | Impact of some new generation insecticides on beneficial rhizospheric microorganisms in rice maize cropping system