New Delhi: Debutant off-spinner Todd Murphy (4/49) struck twice in quick succession as India moved to 178 for four post lunch on day two of the opening Test match here on Friday.
Resuming from 77/1, Rohit Sharma (101 not out) scored his ninth Test century.
The 22-year-old Murphy, who claimed KL Rahul's scalp on Thursday, trapped Ashwin leg before in the 41st before getting the prized scalp of veteran Cheteshwar Pujara (7) in the 45th over to get Australia back in the game.
The hosts are leading Australia by 1 runs.
Brief Scores: Australia 1st innings: 177 all out in 63.5 overs.
India 1st innings: 151 for 3 in 52 overs (Rohit Sharma 101 not out, Ravichandran Ashwin 23; Todd Murphy 4/49).