Dr. Ritika Nagpal is an Assistant Professor in the Department of Mathematics at Vivekananda College, University of Delhi. She earned her Ph.D. from Netaji Subhas Institute of Technology, Faculty of Technology, University of Delhi. With over 4 years of teaching experience in Engineering Mathematics for B.Tech students and more than 6 years of experience teaching undergraduate courses [B.Sc.(H.) Mathematics], Dr. Nagpal has developed a strong foundation in Mathematical education. Her research expertise lies in the field of Cosmology, General theory of relativity, Observational Cosmology, where she is actively engaged in exploring cutting-edge topics. Her scholarly work has been published in reputed International Journals with high impact factors, reflecting her significant contributions to the field. Dr. Nagpal is dedicated to advancing mathematical understanding through her research and teaching, inspiring her students to appreciate the depth and beauty of Mathematics.