Will the 1st and 2nd semester B tech Exam of Calicut university be conducted on May 19-2010?

No, it's highly improbable that the 1st and 2nd semester B.Tech exams of Calicut University would have been conducted on May 19-20, *2010*. That date is in the past, and exam schedules are planned and announced well in advance. To find out the actual exam dates for a past semester, you'd need to consult university archives or records from that time.