A BCS examinee caught with electronic devices at the 47th preliminary examination centre has been sent to jail. Solaiman Islam was detained on Friday morning while entering Eden Mohila College centre with two electronic chips and three earphones. According to the case statement, Porikshit was on duty as an invigilator at the 47th BCS preliminary exam in Eden College. The case added that the devices were capable of transmitting exam questions outside the centre to one or more people prepared to provide answers. The complaint said the fraud involved an organised group who collaborated to use digital devices for cheating.