Injury-plagued Australia were dealt another blow on Sunday when paceman Brad Williams was ruled out of the second Test against India at Adelaide with a shoulder injury.

Williams strained his left shoulder joint while gliding to save a four on the boundary on the third day of the Test.

"I landed pretty solid on my shoulder and apparently I have got a Grade One strain in my AC joint and I will see what happens with treatment overnight," said Williams who had replaced left-arm pacer Nathan Bracken for the Adelaide Test.

"It is an injury you pick up in contact sports like football and obviously I am very disappointed.

"Hopefully everything would be alright in a week's time," he said.

With Williams unable to take further part in the match, Australia would have to rely on their three frontline bowlers -- Jason Gillespie, Andy Bichel and Stuart MacGill -- for defeating India in the match for a 1-0 lead in the series.

Australia's disappointment at missing out on yet another strike bowler was evident with coach John Buchanan saying it affected the team in the field today.

"We were a bit depleted today so that was a bit unfortunate. We would try to dismiss the last three batsmen as quickly as possible and set a target we feel would be sufficient to bowl India out on the last day," he said.