Currently, the development of green metal NPs through ecofriendly technique has become a major focus of researchers. The current study highlights the antimicrobial activity of Cr2O3 NPs, synthesized by Cannabis sativa (Bhang), Azadirachta indica (Neem), Ocimum sanctum (Tulsi) plants leaves extract. The characterization of Cr2O3 NPs was attained by SEM with EDX, TEM and XRD analysis. Moreover, synthesized Cr2O3 NPs were evaluated for their antimicrobial activities against fungi such as P. triticena, A. niger, A. flavous, F. species and bacteria such as S. aureus, B. subitilis, E. coli and P. fluorescence. The Cr2O3 NPs synthesized by Cannabis sativa leaves extract were found to exhibit high antimicrobial activities towards all microbial species. The Cr2O3 NPs shows a clear zone of inhibition at concentration 500 ppm. The results revealed that P. triticena was tremendously sensitive while interacting with Cr2O3 nanoparticles. The outcomes of antimicrobial studies divulged that the Cr2O3 NPs are more potent in comparison to the metal salts as well as plants leaves extract. Therefore, the Cr2O3 NPs are supposed to be great antimicrobial agents.

In any consistence metaphysical system, the three basic ingredients, Methodology, epistemology and ontology must exists harmoniously. The system Sankar Vedanta is closely connected with her non dualistic ontology and its epistemological position clearly implies a strict monism. Moreover, the epistemological issues in Sankar Vedanta have a certain definite contemporary significance. It is also use full to compare the point with the philosophical position of Kant. The central question which we want to discuss with reference to these three epistemologies is does the act of observation make a difference in the thing or system which is under the observation of an observer? And if this type of epistemology is accepted, can it be saved from a solipstic ontic position? The observer is not merely a passive receiver of the knowledge of the object before him or her. It is remarkable thing that Sankar theory of Adhyasa is one of the most consistent theories in harmony with the rest of Sankar Vedanta.

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