Hey

Yes,Candidates must possess a provisional or permanent registration certificate issued by the Medical Council of India (MCI) or State Medical Council (SMC).

Other eligibility criteria for NEET PG is that

Candidates must have completed their MBBS degree or provisional pass certificate from a recognized medical institute of India.

Aspirants should have completed their 12 months rotatory internship or likely to complete on or before June 30, 2021 for NEET PG 2021.

For more details about neet pg you can refer the following link

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-pg-application-form/amp