In Pics: Teams 'regroup' at Gabba after India's 'epic fightback' in Sydney

Australian coach Justin Langer (left) has a word with opener Marcus Harris at practice in Gabba. Langer indicated that the left-handed Harris will open the batting with David Warner in the fourth Test at the Gabba if Will Pucovski doesn't recover from his shoulder injury. (Photo: cricket.com.au)

Indian team's vice-captain Rohit Sharma has a word with his teammates at the Gabba, including the likes of Shubman Gill and Shardul Thakur during the training session. The experience of Rohit will be critical if India hope to beat Australia at their fortress Gabba. (Photo: BCCI)

Head coach Ravi Shastri giving a pep talk to the team at the Gabba ahead of a training session. Shastri has a tough job on his hands with Team India dealing with plenty of injuries along with tough quarantine rules in Brisbane. (Photo: BCCI)

Bowling coach Bharat Arun (left) chats with Shardul Thakur and Jasprit Bumrah at the nets in Gabba. Arun has a lot on his plate with Bumrah almost ruled out of the fourth Test. Team India will possibly have to field a novice pace attack led by Mohammed Siraj, who is only two Test old. (Photo: BCCI)

Will Pucovski (left) arrived for the training session at the Gabba with pace spearhead Mitchell Starc on Wednesday. Young Pucovski, who scored a fine fifty on debut in the last Test, is no certainty for the Gabba Test after injuring his shoulder on the final day. (Photo: cricket.com.au)