South University

South Asian University is an international university sponsored by the eight Member States of the South Asian Association for Regional Cooperation. So, as you can see, it is related with 8 countries. So, obviously, it is good in international relations.

Hi Yogesh,
Since, you haven't specified what you want to study in New South Wales University, here is the website of the university, you can check the admission requirements as per your desired program of study:
https://www.unsw.edu.au/

You can migrate to another college provided your college has a tie-up with the target institute. Having a good academic record also helps. It will help push your application quicker. Before, you give up your seat with the current institute you should first block a seat in the target institute as a precaution. Consult with the admission authorities of your institute for further guidance.