<p>Will Pucovski was Saturday ruled out of Australia's first Test against India after failing to sufficiently recover from a concussion, with Marcus Harris called up as his replacement.</p>.<p>Pucovski had been expected to make his debut and open the innings in Adelaide from December 17 alongside the out-of-form Joe Burns after David Warner was ruled out with an injured adductor muscle.</p>.<p>But the 22-year-old, who whacked back-to-back double centuries in the Sheffield Shield this season, was struck on the helmet during a warm-up match between India A and Australia A during the week.</p>.<p>Due to his history of concussion injuries, selectors are taking no chances.</p>.<p>"Given the spate of injuries in recent weeks, we're fortunate to be able to bring a player of Marcus' calibre into the Test squad," said National Selector Trevor Hohns.</p>.<p>"At the same time, we are disappointed for David and Will that they will not be available for the first Test.</p>.<p>"We have taken a conservative approach in managing Will since he sustained the concussion and hope he and David will be back to full health ahead of the Boxing Day Test."</p>.<p>Harris made his debut against India at Adelaide two years ago and has played nine Tests, but not since Australia retained the Ashes in England last year.</p>.<p>He is back in the frame after scoring 355 runs at an average of 118.33 in two Shield matches this season.</p>.<p>Australia are still sweating on the fitness of young allrounder Cameron Green, who was firming for a Test debut until he too suffered a blow to the head.</p>.<p>Cricket Australia team doctor Pip Inge late Friday said he had a mild concussion and was being monitored.</p>
<p>Will Pucovski was Saturday ruled out of Australia's first Test against India after failing to sufficiently recover from a concussion, with Marcus Harris called up as his replacement.</p>.<p>Pucovski had been expected to make his debut and open the innings in Adelaide from December 17 alongside the out-of-form Joe Burns after David Warner was ruled out with an injured adductor muscle.</p>.<p>But the 22-year-old, who whacked back-to-back double centuries in the Sheffield Shield this season, was struck on the helmet during a warm-up match between India A and Australia A during the week.</p>.<p>Due to his history of concussion injuries, selectors are taking no chances.</p>.<p>"Given the spate of injuries in recent weeks, we're fortunate to be able to bring a player of Marcus' calibre into the Test squad," said National Selector Trevor Hohns.</p>.<p>"At the same time, we are disappointed for David and Will that they will not be available for the first Test.</p>.<p>"We have taken a conservative approach in managing Will since he sustained the concussion and hope he and David will be back to full health ahead of the Boxing Day Test."</p>.<p>Harris made his debut against India at Adelaide two years ago and has played nine Tests, but not since Australia retained the Ashes in England last year.</p>.<p>He is back in the frame after scoring 355 runs at an average of 118.33 in two Shield matches this season.</p>.<p>Australia are still sweating on the fitness of young allrounder Cameron Green, who was firming for a Test debut until he too suffered a blow to the head.</p>.<p>Cricket Australia team doctor Pip Inge late Friday said he had a mild concussion and was being monitored.</p>