Australia

Dear Mahesh, US is very competitive but if you manage to get through one of the top universities you can consider yourself lucky. In terms of work permit Australia is easier though compared to UK and US. Check the pros and cons, expenses, post study work permit schemes etc before deciding where to study.
Best Wishes

You need to check college specific admission requirements. What have you decided to study?

Hello Amit, since it is not possible to list out all the courses available I can advice you to look.at the study abroad section of https://Shiksha.com. Basically you must pursue as per your interest in terms of your future plans, subjects you like etc etc. You haven't mentioned any of these to advice you further.
Regards

NIOS is accepted, but it is a country or college specific question, you must email a few universities, contact the international student admission offices, they will give you the proper information related to their college.

Dear Augustine,
Most of the colleges require GMAT score but few might not, but still they require TOEFL or IELTS test scores for admission, however good and reputed colleges require GMAT score. So, it is advisable to appear for the tests if you want to get in a good college.
Good luck.

Dear Rahul,
To get admission in top ranked colleges one must score minimum of 90% in CAT to secure chance for stand for admissions. And thereon one must prepare for GD and PI so as to get assured admission, with Good GD and PI score your CAT score might be unable to get you admission.
good luck

Hair sir I want yo be an cyber security. I had. Very interested in this Field

These are the best universities for Masters in electrical and electronics in Canada:
1) University of Toronto
2) University of British Columbia
3) McGill University
4) University of Alberta
5) McMaster University
6) University of Western Ontario
7) Concordia University
8) Carleton University
9) Ryerson University
10) Dalhousie University
All the best!

GAP is an disadvantage to get study visa , i suggests you to get a good consultant advise , they can give you better guidance , and this is also very college to college in Australia