I am going to complete my bachelors in Interior Designing in a few months. I am planning of moving abroad to further develop my career opportunities Which is the best country for a graphic career outside of India?

Hi, Due to the recent global trending in the Graphic Design Career you can very well find good colleges, universities and institutes that can offer you a great package in Graphic Design Courses.
As per the recent survey I will will list some Countries(ALongside Colleges/Universitites) in random order which can be best for completing your graphic design course:

1. United Kingdom - Royal College of Art, University of Brighton, Glasgow School of Art
2. Italy - Florence School of Design, Politectnico Di Milano, Studio Art College International
3. United States of America - Rhode Island School of Design, Pratt Institute, Calfornia Institute of Arts
4. Finland - Aalto University, University of Lapland, University of Helsinki
5. Australia - University of Technology Sydney, Deakin University, Grifitth University
6. New Zealand - Whitecliffe College, Media Design School, Victoria University Wellington
7. Canada - Laval University, University of Quebec, The King's University

I recommend you check out their individual websites and the courses and course specializations they are providing and then move further ahead.