Queensland

Refer to the link below. Hope it is helpful for you. https://studyabroad.shiksha.com/student-guide-to-australia-guidepage-13.

If you are going for a UG programme, yes, this score is enough. However, your 54 points in PTE can not be converted as 6 band in each module as you have mentioned. It may be equal, but universities will insist 60 in each. Nothing wrong in applying and trying for it.

1. Federation University Australia, Brisbane
2. QUT Gardens Point Campus
3. The University of Queensland
4. Charles Sturt University Study Centres, Brisbane.

Yes! University of Melbourne is a good college to go for Diploma in civil engineering.There are whole lot of other good colleges too where you can loom into like Site institute Brisbane, Australian college of Technology and business, Australian institute of advanced studies,The University of Queensland. These are some of the good colleges where you can do advanced diploma in civil engineering.

Hi,
Ph.D in Australia is offered on the basis of your research proposal, so you need to submit that first for any scholarship offer.
The university offers following scholarships:
https://economics.uq.edu.au/scholarships