We are happy to share the report of the Guest Lecture titled “QSPR Analysis of Medical Drugs by involving Topological Indices” conducted by the Department of Mathematics held on 5/3/2024 through online mode. The Event was started at 2.30 p.m. with the welcome address given by the Head of the Department, Dr. T. Johnson. The Introduction of the Guest Speaker Dr.S.Dhanalakshmi, Associate Professor (Sr.G), Dept. of Mathematics, SRM Institute Of Science & Technology, Ramapuram, Chennai, was given by Dr.R.Nagarathinam, Associate Professor, Dept. of Mathematics. In her talk, she explained the concepts like Chemical Graph theory, Topological Indices of Various Types and also its applications in the real world problems in particular in the field of Medicinal Drugs. The lecture was very interesting and gave a deep insight into the subject. At the end of the talk, the questions raised by the participants were answered by the speaker. Vote of thanks was given by Asst.Prof. Mrs. P. Divya, Event Coordinator, Dept. of Mathematics. Our sincere and heart full thanks to our Hon. President Sir for his constant support and encouragement. Sincere gratitude to all the participants from various institutions all over the country. Our special thanks to Dr. R. Nagarathinam, Asso. Prof. for her support and Mr. Rooban Sanjai, Research Scholar, Dept. of Mathematics for compering the event.