From the 2016-17 Federal Budget - Tourist Visas
 

From the 2016-17 Federal Budget
"Enhancing Tourism — further reforms to tourist visas
The Government will raise revenue of $1.5 million over four years from 2016‑17 by introducing trial visa arrangements in key markets. This includes a user‑pays visa fast‑track service for nationals from India and the United Arab Emirates, and a three year multiple entry visa for low immigration risk nationals from India, Thailand, Vietnam and Chile."

No further details available yet.