Do you mean by physically handicapped certificate
in that case you need to get it certified by a registered position preferably of the PM of orthopaedic department of a well-known Government medical College preferably which will be further confirmed by board of doctors will be set apart for this specific purpose during the verification of documents of the neet PG counselling procedure and they will conduct a medical examination is to certify you as a physically handicapped candidate and consider you in that regard before allotting your seat with that privilege and the notification pertaining to this will be given on the bulletins on the website of the state and Central NEET pg counselling respectively