University of Regina

Yes, surely you can get admission in SK. As you are good enough in your B.Tech, it will be enough to get admission. And you must be good in other extracurricular activities too and projects.

I don't think, it will be a good choice. It would be much better to pursue Intermediate, and then Bachelor's degree. That way, you will be eligible for most other courses and jobs later. This Diploma will limit your option and will not be much beneficial in later life.

Hi,
Please see these, you will find deadlines according to the program you are planning to pursue and everything is available on the websites.
https://www.grad.ubc.ca/prospective-students/application-admission/application-deadlines
http://explore.usask.ca/admissions/requirements.php
https://www.uregina.ca/gradstudies/future-students/deadlines.html