Medium pacer Nitish Reddy comes into the attack in place of Rana, who bowled five overs for six runs.
He keeps things simple bowling in the channel just outside the off-stump as Labuschagne easily plays out a maiden over.
Australia have done well to reach 47/1 in 20 overs. Even though they haven't scored quickly their approach has been to bat steadily and tire out the Indian bowlers.
Some width from Siraj as McSweeney cashes in as he punches the pacer behind point for a four to take Australia past 50, in the 21st over.
McSweeney has looked quite solid to score 16 from 62 balls, ready to work hard for his runs.