Chaitra, added together, these marks are sufficient. But you should pass in the Theory exams and that is mandatory. You should pass in all subjects of your 12th and then score a minimum aggregate of 40% in Physics, Chemistry and Biology. For example, you should pass in your Theory in Physics, Chemistry and Biology separately and then pass your 12th also. Then together in these 3 subjects you should score a minimum of 40% because you belong to OBC Category.