PRADIP DEBNATH is Assistant Professor of Mathematics at the Department of Applied Science and Humanities, Assam University, Silchar, India. He received his Ph.D. in Mathematics from the National Institute of Technology Silchar, India. His research interests include fixed point theory, nonlinear analysis, fuzzy normed linear spaces, and fuzzy graphs. He has published over 50 papers in various journals of international repute and is Reviewer for more than 20 renowned international journals. He has successfully guided several Ph.D. students in the areas of fixed point theory and fuzzy normed linear spaces. At present, he is working on a major basic science research project on fixed point theory funded by the UGC, the Government of India. Having been an academic gold medalist during his post-graduation studies, Dr. Debnath has qualified several national-level examinations in mathematics in India. NABANITA KONWAR is Assistant Professor at the Department of Mathematics, Birjhora Mahavidyalaya, Bongaigaon,  India. She received a Ph.D. in Mathematics from the North Eastern Regional Institute of Science and Technology, Arunachal Pradesh, India. Her research areas are fixed point theory and fuzzy functional analysis. She has published over 15 papers in these areas with reputed international journals. She has qualified several national-level examinations, including GATE and SLET in mathematics. STOJAN RADENOVIĆ is former Full Professor at the Department of Mathematics, Faculty of Mechanical Engineering, University of Belgrade, Serbia. He received his Ph.D. in Mathematics from the University of Belgrade, Serbia. His research interests are functional analysis and nonlinear analysis, especially the theory of fixed point in abstract metric spaces and ordered metric spaces. He has been invited for research collaborations by several universities, including the University of Paris VII, Paris, France. He has worked as Editor in reputed journals and is also Referee for several. He has published more than 140 papers in SCI/SCIE indexed journals and more than 350 papers in the journals of international repute. At present, Prof. Radenović has 9730 citations in Google Scholar with h-index 53 and i10-index 202. For four years, he has been a Thomson-Reuters (Clarivate Analytics) highly cited researcher. In 2020, he appeared in the list of World's Top 2% Scientists published by Stanford University, California.