India remains on course for a first ever series win in Australia, after dominating day two of the fourth and final Test in Sydney.
Cheteshwar Pujara was finally out for 193, while Rishabh Pant hit his second Test century, reaching 159 not out.
Captain Virat Kohli eventually declared their first innings an hour before stumps, on 622-7.
Australia then closed the day on 24 for no loss.
India leads the series 2-1 and need either a draw or a win, to earn this historic series victory.