Bachelors

Yes, it is a good option.

Hi,
Different universities in Australia have different requirements. They don't need a GRE which however is the common factor. Also as an international student you must take the IELTS. Check university websites for more specific requirements and prepare accordingly.

Yes, you can opt for avionics as the specialisation.

Thousands of mostly arts students go for BBA course every year. This is the baby step towards your dream to become a CEO or to even have your own startup. The scope is enormous. You can even sir for civil service exams since you wont be burdened by the study course. Banks are also a great career option after this. In short you can find the possibilities in every field possible.