The Indian girls were in total domination from the start and whitewashed the Aussies, winning the three singles and the two doubles matches in their Group D match at the Kunshan Sports Center Stadium.
India next face Germany on Tuesday.
World No.8 Saina Nehwal began the rout for India, beating No.74 Hsuan-Yu Wendy Chen 22-20, 21-14.
PV Sindhu then easily defeated Joy Lai in 25 minutes to make it 2-0 in their favour, claiming a 21-12, 21-11 victory.
Doubles pair of Jwala Gutta and Ashwini Ponnappa conquered Hsuan-Yu Wendy and Gronya Somerville 21-9, 21-15 in only 28 minutes to make it 3-0.
Ruthvika Shivani Gadde beat Tiffany Ho 21-5, 21-11 in the third singles match.
Sikki Reddy N and Sindhu claimed a 21-12, 21-12 win against Leanne Choo and Joy Lai to complete the whitewash.