All depends upon your educational qulifiations, work expeiance, and other factors including a job offer from a Canadian employer.If an employer is ready to recruit you as an MD due to your extra ordinary abilities/qualifications & he has been unable to find a Canadian National or Resident for this post you could apply for Work permit & subsequently apply for Canadian PR.
Alternatively you may consider migrating under Business class category, which is for Managers & Business owners with high networth and are willin to invest in Canada.