Electrical and Electronic Engineering Society of the University of Jaffna organized a talk on “The biological impact of Natural and Electrical Light on Human Health” on 6th of July 2017 from 4.00 p.m. to 6.00 p.m. at Department of Electrical and Electronic Engineering. This talk was conducted by Dr. Uthayan Thurairajah, Researcher, Senior Electrical Engineer, Scientist, and Lecturer with over 20 years of experience in the Electrical Engineering and Lighting Design field. .