Chittagong Bureau : A 3-day long science and technology fair begins at Govt Muslim High School premises from Saturday. In observance of the 35 th National Science and Technology Week-2014 arranged by the district administration, sources said. The fair will be concluded tomorrow. Deputy Commissioner of Chittagong Mesbahuddin Ahmed inaugurated the fair as chief guest. Among others Additional Deputy Commissioner Tanveer Azam Siddiqui spoke on the occasion. In the fair students from 15 secondary schools one college and one University were participated the fair. About 81 stalls have been set up in the fair.