The Annual Science Day of Dharmaraja College entitled ECFECTIO '17 was held on the 21st of June 2017 at the College Auditorium.

Science day programs are a main function held by school based Science Societies of Sri Lanka. From the year 1997 the science day programs of Dharmaraja College was converted to ECFECTIO Science Day program series. The Science day is one of the defining and a crucial event in the school calendar. This event consists of a Science quiz competition and many other options to promote innovation among students.

ECFECTIO '17 will encourage students to seek infinite possibilities of science and take them on a journey to the edge of space mysteries. This will introduce fresh young minds into innovative fields and help them to find the underlying laws of nature and help the evolution of mankind.