Department of Botany was started as natural science division in Jaffna College at Vaddukkoddai in 1974 and this was shifted to Thirunelvely in 1977 and named as Department of Botany in Biology block. First special degree courses started in 1979. The department offers a diverse range of courses supported by relevant experienced staff.Department provides enabling environment to the teachers, students and scholars in achieving excellence in teaching and research. All life forms depend on plants in order to exist on biosphere reflects the significance of Botany.