Former Ireland international Kim Garth made his debut for Australia by beating India by nine wickets in the opening Twenty20 international match in Mumbai.
After India went 172-5, Australia hit their target for the loss of a wicket and with 11 balls to spare.
Beth Mooney finished undefeated on 89 of 57 balls for the world champions.
The flyhalf added 100 for the second wicket with the versatile Tahlia McGrath, who went 40 on 29 balls.
Devika Vaidya took the only wicket to fall, as captain Alyssa Healy went for 37 in the ninth after an opening position of 73 with Mooney.
After losing the draw at DY Patil Sports Academy, India started positively with 18-year-old Shafali Verma running 21-for-10.
But they stuttered at 132-5 as Ellyse Perry took two wickets and Garth won his first for Australia, dismissing home captain Harmanpreet Kaur.
But Deepti Sharma and wicketkeeper Richa Ghosh led the recovery, adding 40 of the last 19 innings.
It looked a competitive total, but none of the Indian bowlers could upset Australia, who are yet to lose a T20 international in 2022.
The second game of the five-game series will take place on Sunday at 13:30 GMT at the same venue.