Hi Zaheer,
I think you might be able to get a 4 year visa to work in Australia because you have qualifications as an auto electrician. It is easy to check if you can get a visa by filling out a free visa assessment form here:
http://www.workinaustralia101.com/p/quick-visa-assessment_21.html I hope you are successful and you are able to enjoy working in Australia.
Good Luck! Regards, Sharon