Dr. Surajit Chattopadhyay, presently an Associate Professor of the Department of Mathematics, Amity Institute of Applied Sciences, Amity University, Kolkata, began his journey as an academician in Pailan College of Management & Technology, Kolkata where he had enlightened students for more than a decade. He is actively engaged in research on theoretical cosmology, with emphasis on dark energy and modified gravity theories. Statistical modeling of meteorological processes is also within the purview of his interests. He conducted his doctoral research in Mathematics on the topic of “Theoretical Cosmology” from IIEST, Shibpur, and has 171 publications in various journals and conference proceedings published by Springer, Elsevier, Taylor & Francis, Wiley, and other journals/organizations of national and international repute. Since 2011, he has been a Visiting Associate of the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune. An active participant of national and international conferences, he has delivered talks in various conferences in India and abroad including The Netherlands, Slovenia, and Thailand. Besides teaching and research, he has been reviewing research papers of various international journals published by Springer, Elsevier, and other journals that have a prestigious status. A member of exalted professional bodies like the European Physical Society, Institute of Physics (London), and Astronomical Society of India, Dr. Chattopadhyay’s research is often facilitated by a travel grant that is sponsored by DST, Government of India, CICS, and International Astronomical Union.