The registration dates for neet 2021 have not been released yet and are expected to release soon. NTA will release the application form in online mode at ntaneet.nic.in. Students are advised to keep an eye on the official website so that they do not miss the dates.
For more info you may visit the following link:
After the release of application forms you need to first complete your registration, then fill the application form, upload your mages, complete payment of application fee and at last take a printout of the confirmation page.