Hi before you send in your answer sheet for rechecking please make sure you've properly tallied your answers with the answer key released and that there is no mistake from your side. If you still wish to get your answer key rechecked then you can go to the official website and after logging in with your credentials click on OMR Challenge tab given on left-hand side. After that Click here to challenge to challenge responses of NEET OMR sheet 2020.

The dates and schedules for answer sheet rechecking will be released on the official website itself so make sure to stay updated by regular checking the website!

I hope this answer was helpful and all the best for your future!