Australia

Yes, Diploma from Australia for Mechanical engineering is a very good option and you may then settle there as the job opportunities are great.

Master of Information Technology, majoring in Computing & Networking
JAMES COOK UNIVERSITY BRISBANE CAMPUS
Master of Information Technology, majoring in Business Informatics
JAMES COOK UNIVERSITY BRISBANE CAMPUS
Master of Information Technology and Systems
UNIVERSITY OF CANBERRA
Master of Information and Communications Technology (Advanced)
WESTERN SYDNEY UNIVERSITY
Master of Information Security and Intelligence
EDITH COWAN UNIVERSITY
Master of Information Technology (with specialisations) (12 subjects)
CHARLES STURT UNIVERSITY
Master of Business (Enterprise Resource Planning Systems)
VICTORIA UNIVERSITY.

Depends on your overall profile, how much did you score finally? It will be challenging to get I to a top university but you can try in lessee competitive options.

You can also choose Germany. In Germany, there any lots of Institute which gives free education.

You can go to Australia for your Bachelors, as well as for you Masters. You just have to give an exam named IELTS, which is an English proficiency exam, and after the result you can contact any institution such as IDP, which can help you for rest of the process, or you can do it yourself by surfing through the university's websites, good luck.