Steve Smith shared a 112-run partnership with Pat Cummins on his way to 140 off 197 deliveries as Australia took control on day two of their fourth test against India, for whom Jasprit Bumrah claimed four wickets.

Sam Konstas made a 65-ball 60 on his Test debut during the fourth Test at Melbourne, which the Aussies won by 184 runs

Even after post-lunch and getting the wicket of Steve Smith, who played an astonishing knock of 140 runs off 197 balls, Indian bowlers failed to bowl out the tail.

Steve Smith continues his revival in form with a magnificent century to put Australia on top against India on day two of the fourth Test in Melbourne.

Rishabh Pant remained unbeaten on six, while Ravindra Jadeja stood on four. Three late wickets in the final half-hour halted India's momentum, which had built to 153-2 earlier in the day. Scott Boland and Pat Cummins took two wickets each.

Perhaps, Smith might have remembered a bubbling younger self that earned him the sobriquet -- Smudge. But the 19-year-old Konstas made his presence felt even while fielding, constantly talking to Indian batters from the cordon or close-in positions.

Australia claimed a lead of 105 runs on the first innings and stretched its advantage to 158 at lunch on day four of the fourth cricket test against India.