Study Abroad

Not directly. But you can look for bridge course and do math for a year in Canada then try for engineering. There are certain diploma courses provided by colleges, these you can try

GMAT and IELTS are the bases for the admission. In case you try some low ranked university only then GMAT becomes optional. IELTS will still stay. For many programs universities accept gre also. You can try gre in case GMAT seems difficult

MBA from an European B School is very expensive. ROI is not very good. You must review your decision and try for MBA in top Indian B School.

Off course. Rather experienced people are accepted well. Masters n MBA is any time open to you. You may also choose to do undergrads again in few universities

Indian MBA from places like isb hyderabad or iim or fms n such institutes can't be compared with MBA from Canada as these are equally good if not better than MBA from top Canadian universities with lesser fee. However if not these than Canada is recommended as admission in Canada is easier than admi

Usa is best if you could afford to study. They offer scholarship also if you have strong profile. Make sure to follow application time line well. Next choice can be Canada

You can but since you have already completed Masters, you may go for PhD too. Canada offers scholarships also to PhD students. Or you may try to get certificate courses of one year in teaching and save time

U.K. has better quality of education.

India will be better