K. R. G. S. Raghavan is an Indian mathematician known for his contributions to the field of mathematics. He has made significant advancements in areas such as number theory and combinatorics. His work has been recognized in various academic circles, and he has published numerous research papers. In addition to his research, Raghavan has been involved in teaching and mentoring students in mathematics. He has held positions at several educational institutions, where he has inspired many young mathematicians to pursue their interests in the subject. His dedication to education and research continues to impact the mathematical community.