Tab Article Dr. K. Vairamanickam is the former Professor and Head, Mathematics section, Faculty of Engineering and Technology, Annamalai University. He has contributed several research papers in national and international journals. His area of interest is functional Analysis and Fuzzy Logics. Dr. Nirmala P. Ratchagar is professor, Department of Mathematics, Annamalai University, Tamil Nadu. Her area of interest is Mathematical Modelling in flow of Biofluids Dr. S. Tamilselvan is Associate Professor, Mathematics Section, Faculty of Engineering and Technology Annamalai University, Annamalai Nagar, Tamilnadu. He has contributed several research papers. His area of Interest is Fuzzy Logic and Its applications.