Investigations on the effect of organic soil amendments and plant extracts on the activity of pests of chilli fruit borer H.armigera carried out during 2012-213 and 2013-2014 kharif seasons at the Karchal village of Medak District, Telangana state. The experiment was laid out in RBD ( Randomized Block Design). Among the organic soil amendments and plant extracts tested against chilli pests, the most effective treatment was T8. In this, the Combined application of Vermicompost @1250 kg/ha + Neemcake @250 kg/ha at the time of transplanting and 50 DAT (Days After Transplanting). With the combined application sprays of Nimbecidine 5ml/l at 2, 7 WAT (Weeks After Transplanting) and NSKE 5% at 5, 11 WAT, was found to be the most effective treatment against fruit borer H.armigera.