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It is the smart technology era that has realizes the importance of research work in WSN’s as it is the basic which can be applied to any technology for sensing and transmitting the information. While many research works has been done in this area but still many issues exists in WSN’s such as efficient energy consumption, network lifetime, security, network connectivity, network coverage, optimal cluster heads selection and much more. As many solutions were provided by the researchers, clustering is one of the useful approach which enhances the network lifetime by making cluster and sending data via cluster heads. But selection of cluster heads in optimal way is need of today’s era. Many works has been done regarding the selection of cluster heads b considering one or two attributes but for optimal solutions more attributes need to be considered. In this paper, MADM based TOPSIS approach has been used by …