It might be not so difficult but not too easy. If you can sit and study for 8 hours and stretch longer you can get 9 pointers easily and successfully. If you spend most of your time wasting, then it is very much possible and sure you aren’t getting either of pointer and knowledge. Also, getting a 9 pointer or more is easy if you have interest in the field you are pursuing.
Yes, you can achieve 9 pointers with genuine approach and studies. Write as well as read enough books while preparing for exams. This will eventually help you in not only exams but also in gaining knowledge. Following these pointers will also help you.