Field experiment was conducted to evaluate and validate the efficacy of some insecticides against sucking insect pests viz., thrips and mites in chilli. Effect of five different doses of Emmamectin benzoate 5% SG along with Lambdacyhalothrin 5% EC, Deltamethrin 2.5% EC and Chlorantaniliprole 18.5% EC were evaluated before each spray and 3, 7 and 10 days after each spray. The results clearly indicated that Emamectin benzoate 5% SG at 17.0 g a.i/ha was found most effective against thrips with an average reduction of 94.09% in population after three sprays. Similar results were also obtained in reduction of mites population where Emamectin benzoate 5% SG at 17.0 g reduced the population up to 93.12%. Observations were recorded on adverse effect on Emamectin benzoate 5% SG against predators of major pests of chilli. It was found to be safe against the major predators like Menochilus sp., Coccinella sp. and Syrphys sp. and the predator population varied from 11.17-14.20/ five plants. All treatments gave significantly higher green fruits yield of chilli over untreated control (73.20 q/ha). However, highest yield of chilli fruits (137.30 q/ha) was obtained from Emamectin benzoate 5% SG at 17.0 g a.i/ha followed by the treatment Emamectin benzoate 5% SG at 10.25 g a.i/ha, which yielded 128.71 q/ha.