Herbal Composition for Prevention and Control of Insect and Leaf Curl in Agricultural Crops A herbal formulation for controlling insect pest and leaf curl in crops like chilli and brinjal comprising an extract of plant Balanites aegyptiaca (L.) Del.. A process for preparing the said herbal formulation comprising steps of preparing the mixture of leaves and/or fruits of the plants, soaking the plants mixture in the solvent preferably water, preparing the extraction by crushing and extraction of soaked plant part, adding solvent preferably water for further dilution of the extract.