Hello Piyush,
According to eligibility criteria of IEM you should have 10+2 with science stream.There is no any specific percentage cutoff.But for safe zone you should have a percentage above 60.With a good score in JEE main or WBJEE you will definitely get admission.
Result | Application | Exam Pattern | Admit Card | Preparation Tips | Answer Key | Cutoff
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile