Product Design

Check Germany, UK, Japan.

B.Design is a degree program whereas GDPD is a Diploma program offered by NID. It is always better to go for a degree program as most organization look for a degree as compared to Diploma. A degree holder is preferred over a diploma holder in the same field.

That totally depends on which field you want to pursue. NID doesn't offer Automobile design for B.des hence in case you wish to pursue that, you will have to graduate in another field. Having prior knowledge of product design studied in graduation however, may help you excel in the post grad course.

Yes, LISAA School of Design (L'Institut Superieue Des Arts Appliques) is a top ranked French design school in India. At LISAA, students have opportunities to go for student exchange program at any of the 7 campuses across France. When it comes to design education, LISAA is the pioneer and the education leader.
They have an international curriculum which is practical in nature and they also provide an International Diploma on top of Bachelor's degree from a renowned Indian university. For more information, visit: www.lisaabangalore.com.