India vs Australia 4th Test Day 2 In Pics: Late Collapse Leaves IND Worried

Australian players walk off the field on the end of play of the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Steve Smith reacts after missing to play a shot during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Steve Smith raises his bat as he celebrates after scoring his century during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Steve Smith acknowledged the crowd as he walked off the field during the lunch break on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Ravindra Jadeja, center without cap, celebrates with teammates after the dismissal of Australia's captain Pat Cummins during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Steve Smith hits a six during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Jasprit Bumrah bowls to Australia's Mitchell Starc during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Mitchell Starc is bowled out by India's Ravindra Jadeja during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Akash Deep, left, celebrates the wicket of Australia's Steve Smith, right, during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Steve Smith reacts after being bowled out by India's Akash Deep during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Nathan Lyon plays a shot during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Yashasvi Jaiswal bats during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's captain Pat Cummins, right, and Steve Smith celebrate the wicket of India's captain Rohit Sharma during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's captain Rohit Sharma walks off the field after losing his wicket during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's KL Rahul bats during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Yashasvi Jaiswal, right, fist bumps with batting partner KL Rahul after hitting a boundary during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's KL Rahul is bowled out by Australia's captain Pat Cummins during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's captain Pat Cummins, second left, and Marnus Labuschagne celebrate the wicket of India's KL Rahul during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Yashasvi Jaiswal plays a shot during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Virat Kohli plays a shot during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Nathan Lyon, right, bowls a delivery to India's Yashasvi Jaiswal, second left, during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Yashasvi Jaiswal raises his bat as he celebrates after scoring fifty runs during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Indian supporters cheer for their team during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australian players celebrates the wicket of India's Yashasvi Jaiswal during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Virat Kohli walks off the field after losing his wicket during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

Australia's Scott Boland, second right, celebrates the wicket of India's Akash Deep during play on the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.

India's Ravindra Jadeja, right, talks to Australia's Nathan Lyon as they walk off the field on the end of play of the second day of the fourth cricket test between Australia and India at the Melbourne Cricket Ground, Melbourne, Australia.