hi,

see to become a plastic surgeon, you need to become qualified the mbbs course first, then you may do post graduate course in surgery related topics as per your interest.

right now you need to appear in neet exam, which is the only entrance test in india for admission in health science related course. eligibility criteria is candidates must pass 12th exam with physics chemistry and biology, marks criteria of 12th course as category wise is,

general- 50%

sc/st/obc- 40%

there is no upper age limit for applying in neet ug exam.