BDS

All the Colleges are the best in themselves. But Manav Rachna has better ratings as compared to Sudha Rastogi and Santosh. For complete information check here. Here is the comparison among these. https://www.shiksha.com/compare-santosh-dental-college-vs-manav-rachna-dental-college-mrdc-id-322185-56917.

Yes, of course. As long as you are confident on getting a government job, you should try. But, keeping in mind the high competitions nowadays, it will be clever to also keep a second option in hand, just in case the first option doesn't play out.

Jamia Millia Islamia is not releasing cut off list for any of the courses from last 2 years.

From last year's JMI has not released cut off list for any of the courses.

Jamia Millia Islamia is not disclosing cutoff.

Hi Tishya, If a person completed BDS and wants to become a dentist in Canada, he/she needs to get through the qualifying exams which satisfies the Canadian requirement of competencies to begin the career. Students need to qualify the exams conducted by NDEB, The National Dental Examining Board of Canada. Hope this helps!
Best Wishes!

Yes, but you'll have to ask for it in the College itself.

Just go through this link and fill out the required details:
https://www.shiksha.com/college-predictor