Fecha de publicación: 05/01/2023 Fuente: WIPO Rice The present invention relates to a solid bio-pesticidal composition comprising of elemental Sulphur in the range of 60% w/w to 99%w/w, Azadirachtin in the range of 0.01%w/w to 20%w/w and at least one agrochemically acceptable excipient wherein particles of the composition is in the range of 0.1 micron to 60 microns, wherein the composition is in the form of water dispersible granules, broadcast granules, extruded granules, spheronised granules and powders. The invention relates to a process of preparing and also to a method for treatment of plant, crop, locus or soil against pests or diseases or managing pesticidal resistance or reducing pesticidal residue by application of a solid bio pesticidal composition. The invention also relates to a method for controlling pests and diseases by applying a solid bio pesticidal composition by foliar means at a dosage of 0.5 kg/ha to 30 kg/ha to a plant or a crop or parts thereof or soil.