Abstract: An investigation on evaluation of various synthetic insecticides against sucking insect pests of cluster bean was carried out at Anand Agricultural University, Anand during summer 2010. Among the tested nine synthetic insecticide, the higher effectiveness was observed with the application of clothianidin 50 WDG (0.025%) and thiamethoxam 25 WG (0.0125%) against jassid and whitefly, and with imidacloprid 70 WG (0.015%) against jassids and spiromesifen 240 SC (0.0192%) against whitefly. Fipronil 5 SC (0.005%), acephate 75 SP (0.075%) and carbosulfan 25 EC (0.025%) effectively managed thrips on cluster bean.