If you want to do your post graduation in medical from Australia then you need to have registered AMC (Australian medical council). After that you need to send your SOP (statement of purpose) along with your academic certificates to the Universities. Then you can apply for the Visa when you will receive the University acceptance lette. OR you can join hospital administration, health care, MS etc according to your qualification. The fees structure will be 10 to 12laks per year. The major intake is in February and July.
An IELTS of overall 6.5 (with no band less than 6.0) will be the mandatory requirement by the Australian Visa High Commission.
More info please check- Public health