hello aspirant

In engineering it is very important to clear all your subjects in all sems. As you have backlogs in 2nd and 4th sem you must and should attempt the exam and should clear the subjects whatever the backlogs you are having. And why it is important to clear your backlogs because at the time of placements the students who have backlogs are not given the more priority than compared to the students who have cleared all the subjects. So write the exams of backlogs whatever the subject you have and clear the subject.

all the best.

thank you