IELTS

Yes, you have a decent good enough chances of getting admission in Concordia University.

Yes, definitely, you might get admission in top colleagues in Germany
University of California, Riverside
Clemson
University of Delaware, Newark
University of Iowa
Georgia state university, Atlanta
Washington State University, Pullman
Mississippi State University, Starkville
George Washington University, Washington DC
Lehigh university, Bethlehem, Pennsylvania
They are good universities, you can look for last year cut-off and try according to it.

University of California, Riverside
Clemson
University of Delaware, Newark
University of Iowa
Georgia state university, Atlanta
Washington State University, Pullman
Mississippi State University, Starkville
George Washington University, Washington DC
Lehigh university, Bethlehem, Pennsylvania
They are good universities, and you might get admission because your score is in same range.

Hi Ish,
You can take the exams after 12th, it is accepted but one thing you should keep in mind are the university intakes and admissions. See that you don't miss any deadlines. Take the exams immediately after boards so by the end of the year you can submit the applications.

Hi Naaz,
It is required. It can be waived if the university allows you to do so. You have to write directly to the university and ask for waivers. It can be waived off if you have a very strong profile and have completed your studies from an English medium institute. Write to the university.

You can refer the link to know about the top colleges for MBA in Gujarat: https://ask.shiksha.com/can-you-suggest-some-good-colleges-in-gujarat-for-mba-i-didn-t-attempt-any-entrance-test-for-the-same-i-scored-qna-5340993. But with any entrance exam it won't be possible to get admission.

Yes, it is possible to get admission in Canada with IELTS score of 6, but if you want to get in good college you must have at least 60 % in graduation for post-graduation and for graduation you have to appear and score in GMAT.

No, you need atleast 65% in board exams to apply under SDS category. However, you can apply for visa in general stream.