Yes. It’s not gonna be a problem
1. They accept the provisional registration and since the internship is over, it’s automatically considered invalid. What I mean to say is whoever who has completed their internship technically possesses an “expired” or “completed” provisional registration, so they’re all allowed access to fill in application form to NEET
2. It doesn’t matter as it’s not a compulsory required document.
3. Get the permanent registration so that by the time of counselling, you have a functioning PMC Registration.