hi murthy,

for doing post graduation in medicine in india , one has to appear in neet pg. only indian and overseas citizens of india(OCI) are allowed to appear for neet pg. if you have studied mbbs abroad and want to do pg here then you have to first clear  foreign medical graduation entrance test(FMGE) and then appear for neet -pg.

other criteria are listed in here- https://medicine.careers360.com/articles/neet-pg-eligibility-criteria