Australia trail India in fourth and final Test

Adelaide: Australia trailed India by 204 runs with seven first innings wickets in hand at stumps on the third day of the fourth and final test on Saturday.

When play ended on the third day, Australia were cruising along at 322 for three in their first innings, with captain Ricky Ponting unbeaten on 79 and Michael Clarke not out 37.

Matthew Hayden had earlier made 103 to register his 30th test hundred while opener Phil Jaques made 60 and Mike Hussey 22.

Anil Kumble, Ishant Sharma and Irfan Pathan captured a wicket each for India who were without their injured strike bowler Rudra Pratap Singh for the whole day.

Meanwhile, Australia's vice captain Adam Gilchrist made a shock announcement to retire from cricket.

Gilchrist said he was quitting test cricket after the current match ends on Monday.

"I am now ready and excited to move into the next phase of my life," he said.