I passed XII science exam in second attempt can I appear neet exam?

Sunil, as long as you have scored a minimum aggregate of 50% in Physics, Chemistry and Biology in your 12th, even if you have passed the exams in the 2nd attempt, you are eligible for NEET. It is 50% for General Category, 45% for PWD and 40% for OBC,SC,ST. So it is important to pass your 12th and the no.of attempts it took you to pass your 12th do not count because now there is no upper age limit for NEET. If you are looking for NEET online preparation courses, you can check our NEET Knockout package:https://learn.careers360.com/knockout-neet-may/