Canada

Please explain your question properly.

Yes, you can go there as there are several colleges that give admission at 6 band with not less than 5.5 band in every module.

Yes you can as per the admission criteria your CGPA is bit less but you cracked GRE, so no problem, go ahead and apply for admission. Try for the University of Windsor, University of Saskatchewan, University of Waterloo and Memorial University of Newfoundland..

Hi Mitesh,
Please visit the college websites for application purpose. Most universities do not accept three years Bachelors degree so you must email them prior to applying.

A PG Diploma in the desired course is hard to find in Canada. You will find Masters degree mostly in mechanical engineering with automobiles as specialization. You may check the
PGD in mechanical engineering offered by University of Saskatchewan.

Dear Aniket, please refer to job portals of the respective countries. Getting a job as a doctor or nurse in these countries is very hard. You must have the qualification recognized by the respective countries and must pass the licensing exams.

Dear Jaspreet,
You can study anything you want, follow your passion and interest. A Masters in physics, chemistry or even mathematics if you are into research. Alternatively specialized Masters can also to be considered. You need to research a bit on the university websites and check various programs they offer such as computers, space sciences etc.