The visitors trail India by 69 runs.
It was a sedate first hour of play where overnight batsmen Matt Renshaw and skipper Steve Smith looked to dig in their bid to save the five-day affair.
But Renshaw (15 off 84) finally fell to Sharma LBW and Smith (21 off 68) too departed, handing Jadeja (3/22) his third wicket of the innings.
At the lunch break, Shaun Marsh (15 not out) and Peter Handscomb (4 not out) were at the crease.
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