Exam

Yes, computer science engineering is eligible for GATE entrance exam.

Good decision to get higher education from Canada.
One of the best locations.
Nice universities are there.
I would suggest you to opt for IELTS.
Also, check websites of universities for more details.

Yes, you will be eligible for getting admission in any Bachelor's degree.

There are total 30 seats out of which 15 are general seats. It is hard to say if she will get the seat or not. The last rank to get the seat in FC, Mumbai last year was 323. I feel the chances are high. You can always try for round two.

IELTS is to prove your English proficiency. GMAT is to prove management skills. This is not mandatory for freshers like you. You will be applying only for fresher's MBA.

Hello Ramkishor,
After doing B.Sc, you are not eligible to take GATE exam as it is for BE/B.Tech graduates to do M.Tech from IITs. Only with a B.Sc or BCA degree you cannot take GATE exam.
You can do M.Sc and then you can appear for GATE exam. You need to have M.Sc degree if you have done B.Sc, but i

If your state of domicile is Delhi then at least 200 marks are required for core branches such as ECE, ME, CSE or IT.