Both teams are playing their first match in the main tournament here on Wednesday. England and hosts India are the other two teams in the group where the top two will qualify for the semi-finals.
The West Indies were hit by the absence of seasoned batsman Shivnarine Chanderpaul who suffered an attack of food poisoning on Tuesday.
Paceman Corey Collymore will also miss out, having returned to the Caribbean to be with his wife ahead of the birth of their first child. He will be back for the remaining two league matches.
Nathan Bracken strikes early for Aussies: Left arm medium pacer Bracken struck early for Aussies when he lured the struggling West Indian opener Wavell Hinds (1) to play an away going delivary for a thick edge resulting in a regulation catch to Ricky Ponting in slips. West Indies were 10/1 in 4 overs with Gayle (6) and Dwayne Smith (0) at the crease
Australia: Ricky Ponting (capt), Adam Gilchrist, Nathan Bracken, Michael Clarke, Brad Hogg, Michael Hussey, Brett Lee, Damien Martyn, Glenn McGrath, Shane Watson and Andrew Symonds
West Indies: Brian Lara (capt), Ramnaresh Sarwan, Chris Gayle, Runako Morton, Dwayne Bravo, Dwayne Smith, Carlton Baugh, Ian Bradshaw, Jerome Taylor, Marlon Samuels, Wavell Hinds
Umpires: Mark Benson (ENG) and Rudi Koertzen (RSA)
TV umpire: Aleem Dar (PAK)
Match referee: Mike Procter (RSA)