India brushed off the absence of captain Jasprit Bumrah to dismiss Australia for 181 and reach 141 for six for an overall lead of 145 on an extraordinary second day of the finely balanced fifth Test.
On a day of high drama at a sunbathed Sydney Cricket Ground, Bumrah took the first wicket to set India on their way but departed with the team doctor soon after Lunch for medical scans of his back after suffering spasms.
