Australia were 103/2 in their second innings, stretching their overall lead to 197 runs, at the stumps on Saturday.
Australia had posted 338 in their first innings and then bowled out India for 244, thus attaining a 94-run lead. The hosts declared their second innings at 312/6, setting a 407-run target.
Washington Sundar and Shardul Thakur, in just his second Test, put on 123 runs for the seventh wicket — a record for India at the Gabba — taking their team from a precarious 186 for seven to 309 before Thakur was bowled by Pat Cummins for an entertaining 67.
Cricket chiefs and New South Wales police launched investigations after fast bowlers Mohammed Siraj and Jasprit Bumrah complained about being targeted while they fielded by the boundary ropes on day three of the clash this month.
It was also Smith’s first century in Australia since December 2017 in a drawn Test against England at the Melbourne Cricket Ground.
The players — Rohit Sharma, Rishabh Pant, Shubman Gill, Prithvi Shaw and Navdeep Saini — are being kept away from the rest of the Indian and Australian squads ahead of the third Test starting in Sydney on Thursday.