You need a visa to travel to Australia unless you are an Australian citizen. An Electronic Travel Authority (ETA) is an electronically stored authority equivalent to a visa, which is linked to a passport number. The ETA allows eligible passport holders to visit Australia for tourism or business visitor activity.
How and When to Apply for Australian Student Visa. You can apply for an Australian Student Visa maximum of 124 days prior to the commencement of your course. Also, you can travel to Australia a maximum of 90 days prior to the start of your course. Under the new SSVF Guidelines. the Australian Student Visa process is completely online.