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Cancers are caused by the defects in apoptosis process which leads to uncontrolled proliferation, therefore, most attractive drug target discovery strategy is to find ligands which have the ability to activate or regulate the apoptotic machinery. Peroxisome-proliferator-activated receptors (PPARs) are nuclear hormone receptors their over expression is observed in many tumours and contributes to chemotherapy resistance. The goal of this study to scrutinized antitumor phytochemicals from Alysicarpus bupleurifolius, Piper nigrum and Plumeria obtuse and potential energy values render from interactions between active site residues and ligands. The potential phytochemicals with significant binding affinity are ursolic acid, cis-4-decenoic acid and p-coumaric acid respectively most effective compounds in high throughput virtual screening belongs to Plumeria obtuse against PPARs associated with tumour development …