Hello there,
The application for NEET 2021 are most predicted to be released in December 2020. Since the filling of application form hasn't been done yet, a news like downloading your admit card is completely a spam or fake news. Please don't believe these news or rumours. check the official website for the latest updates. (ntaneet.nic.in (https://ntaneet.nic.in/ntaneet/welcome.aspx) ).

get latest updates here:
https://medicine.careers360.com/articles/neet

hope i have cleared your doubt.

Thank you and all the best!