Should engineering colleges change their scheme of backlog from year back to back papers?

This question is a little ambiguously worded. It is not very clear as to what is being asked here. However, I would like to answer on my interpretation of the question. As per my understanding, I would like to rephrase this question as: Whether engineering colleges should retake exams in which a stu

I think that scheme of backlog for a year back or paperback depends on the particular student and his condition. Suppose for a fourth-year guy opting for higher studies. What happens if he has a year back? His admission chances for the next year are completely wasted. But if he has paper back then h