Yes, it is definitely possible to get admission in ISB with low academics. All you need to do is prepare well for your GMAT and crack a score of 720+ which will counter your average academics and prove your potential. The idea is to display your commitment and intellect in other ways. Be it your extra-curricular activities or achievements in your work.
ISB Hyderabad considers the following 5 parameters while assessing a candidate:
Note that, if your academics are closer to the ‘barely passed’ level, with no great explanation for this performance, then you might face more of a challenge in the admissions process. That will be true for the admissions process at any top business school, including ISB Hyderabad.