Dr. S. Ramarajan is an Environmental Biotechnologist with expertise in water research. IIe obtained his Ph.D. in Environmental Biotechnology from Bharathidasan University, Tiruchirappalli. He is currently working as an Assistant professor, Department of Biotechnology at K.S.Rangasamy College of Arts and Science, Tiruchengode. He is interested in water resource management and exploring solutions to effectively treat wastewater. He has published research papers in various national and international journals and has also authored book chapters. He is a recipient of JRF to work on a project funded by the Department of Science and Technology, New Delhi, India (DST, Govt. of India). He has attended and presented his research works at national and international conferences.