Dr.S.Selvarani is an Associate Professor in Zoology at Thiagarajar College, affiliated with Madurai Kamarajar University, Madurai. India. She obtained her Master's degree in Zoology from Jayaraj Annapackiam College for Women and Ph.D. in Zoology from Kamarajar University, Madurai. Dr. S.Selvarni started her career in Thiagarajar College as a lecturer and currently continuing her teaching journey as an Associate professor. Even though her works pass through the diversity of ants she conforms to her interest in nanotechnology, her current Research works focus on Nanotoxicology, Hereditary cancer.