There is nothing such as pass or fail in NEET, Praba. If you get the cut off marks, you are eligible for participating in NEET counselling. You need to secure the required cut off against your Category. For example, the cut off marks for General Category are 50th percentile of top NEET score. In 2019 that was 134-701. Let's say you scored 150. You have scored the cut off marks but that doesnt mean you will get a seat because for appearing for Counselling and getting a seat, this score will not be enough. You may have to try in Management Quota or Spot admissions.