Bioinsecticide nano-emulsion composition comprising of plant-based active ingredients, surfactant and carrier. This invention relates to plant-based bioinsecticide composition comprising: saponin; azadiractin; surfactant; and carrier.The saponin is extracted from Piper sarmentosum; and the azadiractin is extracted from Azadiracta indica.The plant-based bioinsecticide composition of the present invention shows synergistic effect against BPHIMPACTSafe to mammals, biodegradable, renewable and does not cause Environmental Sciences pollution and not as harmful and Environmental Sciences polluted as the chemical insecticide.