Can i dropout from 1st year b.e. to 1st year b sc. course. Should i drop after 1st sem. itself so that i get enough time to join other coll.

If you are thinking to drop out because you feel B.E. is tough, then let me tell you that B.Sc. first year will be equally challenging. Secondly, at this time, all the admissions are over and new admission would take place next year. Thirdly, since you have paid your fees already, do not drop out no