Tanmoy, to be eligible for NEET, you should have completed your 12th, passed in all subjects and secure a minimum aggregate of 50% in Physics, Chemistry and Biology. It is 50% for General Category, 45% for PWD and 40% for OBC,SC,ST. This 40% is inclusive of the Theory and Practical marks scored in Physics, Chemistry and Biology collectively. You needn't score 40% in Physics, 40% in Chemistry and 40% in Biology separately. You need an aggregate of 40% as an aggregate in Physics, Chemistry and Biology. And along with Physics, Chemistry and Biology, you should also have studied English as one of the core subjects in your 12th. With 46% as an aggregate, you are eligible for NEET.