preliminary phytochemical study of leaves of Elaeocarpus blascoi Weibel moist evergreen tree commonly Known as Kodai Rudraksha (Elaeocarpaceae), was done using Gas chromatography-Mass spectrometry for the determination of the constituents. Chromatogram of the GCMS analysis carried out for the identification of the phytochemicals present in the metabolic leave ethanolic extract of indicated the presence of sixty three compounds. The most available compounds are 1,6-Anhydro-a-D-glucopyranose(levoglucosan), 1,2,3-Benzenetriol, levoglucosenone, phenol, etc.,. The present results concluded that the phytochemicals was observed in methanol extract which revealed that the plant extract is potential use in different fields namely medical and pharmaceuticals and highly valuable in medicinal usage for the treatment of various human aliments.