does australian universities except 3years BBM course to opt for MBA in australia?or do i have to do extra 1year ?

Hi Bijaya, Australian Universities/ Business Schools accept the three-year graduation system for entry into the MBA course. So, you can apply for MBA after completing your BBM. However, you would also have to take IELTS test and must score 6.5 bands to take admission in MBA. Australian Universities

I am working with NZ institute...I can help you with your admission and visa process in NZ study.auckland@yahoo.co.nz 8826808920.