India fight rearguard as Australia sniff Sydney victory after posting a target of 407

Marnus Labuschagne plays the ball past Mohammed Siraj on Day 4. (AP)

Navdeep Saini celebrates the dismissal of Marnus Labuschagne (73) on Day 4. (AP)

India players celebrate after taking the wicket of Steve Smith (81) on Day 4. (AP)

Tim Paine waits as India players talk with the umpires over an alleged racial abuse from the crowd on Day 4. (AP)

The NSW Police remove spectators from the game during play on Day 4. (AP)

Cameron Green is congratulated by his captain Tim Paine after his fifty. (AP)

Josh Hazlewood appeals unsuccessfully for the wicket of Shubman Gill on Day 4. (AP)

Rohit Sharma hits the ball to be out caught for 52 runs during play on Day 4. (AP)