it should be Apostille document. the documents mandatory for appearing in fmge exam is ,
ID proof details - Aadhaar card/Driving License/PAN card/Passport/Voter ID
Class 12 mark sheet
MBBS qualification details
The relevant documents/proofs in support of an applicant, final examination passed certificate must be submitted on or before November 31, 2019. Failure in submitting the documents will lead to cancellation of candidature.