Dr. Giridhari Deogharia is an Assistant Professor of Mathematics in the Department of Applied Science at Haldia Institute of Technology, India. He earned his Ph.D. in Mathematics from The University of Burdwan in 2024 and has over six years of research experience in cosmology, dynamical systems, dark energy–dark matter interactions, and astrophysical accretion processes. He is a CSIR–NET qualified researcher. Dr. Deogharia has published extensively in reputed international journals such as Gravitation and Cosmology, Modern Physics Letters A, and Europhysics Letters. His research excellence has been recognized with an Outstanding Paper Award at the Regional Science & Technology Congress. He also serves as a reviewer for international journals and actively contributes to academic conferences, teaching, and interdisciplinary research.