[nish1500]

It says on border.gov.au:

The Business Visitor stream is for people travelling to Australia for a short business visit. This includes making a general business or employment enquiry, negotiations or participating in a conference.

[mb_72]

6 months is not 'short', and you have - while negging me I presume - overlooked the documentation requirements for such a visa: https://www.border.gov.au/Trav/Visa-1/600-/Visitor-visa-(sub...

(bottom of page)

[nish1500]

I went through the same process to get Visa for Canada and the USA, only with more documents.