To be eligible for Neet, one needs to pass 10+2 or equivalent with English and PCB (Both Theory and practical)as core subjects with at least 50% marks in aggregate of PCB. This 50% aggregate of PCB will be calculated including your theory and practical, both marks. The aggregate is 45% for pwd candidates, and 40% for OBC, SC, ST candidates. This percentage is in aggregate of PCB not individual percentage of these subjects.