Yes, you can leave the engineering counseling if you don't get the desired college or branch. There are no boundations for that. The admission department will just mention that you have withdrawn from the admission process.
Hello Yuva
Yes, you can quit the counseling, you are not obliged to take admission in the available college. If you get admission in the desired college then good if not you can anytime withdraw your choices.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile