how can a indian medical graduate get admission in any australian university to persue furthur p.g. courses

After completing your MBBS from India you can easily do masters in Australia. The various courses that you can look into are: Masters of Public Health, Masters of Health Administration, Masters of Health Promotion, Masters of Sports and Exercise Sciences, Masters of Health Leadership and Management,

That is true. In case you do not fulfill the eligibility criteria, or you fail to get a Visa etc. but you want to practice in a particular country (Australia) your next option would be to get an internationally recognized degree from the Russian Federation with which you can settle / practice in any