Requirements for the Australia visa or ETA Visa are as follow, 


You must:

  1. Be outside Australia
  2. Visit for the purpose of tourism or business
  3. Be a passport holder of the following countries:


Andorra, Austria

Belgium, Brunei

Canada

Denmark

Finland, France

Germany, Greece

Hong Kong (SAR)

Iceland, Ireland, Italy

Japan

Liechtenstein, Luxembourg

Malaysia, Malta, Monaco

Norway

Portugal

Republic of San Marino

Singapore, South Korea, Spain, Sweden, Switzerland

Taiwan, The Netherlands

United Kingdom – British Citizen, United Kingdom – British Overseas, United States of America

Vatican City