Usman Khawaja scored a century as Australia were 174 for 1 after 32 overs in the series-deciding fifth one-dayer against India in Delhi on Wednesday.
Khawaja and Peter Handscomb were batting on 100 and 46 respectively.
Ravindra Jadeja bowled Aaron Finch for 27.
Earlier, Australia won the toss and opted to bat.
Ravindra Jadeja replaced Yuzvendra Chahal in the Indian playing eleven while K L Rahul made way for Mohammad Shami.
For Australia, Marcus Stoinis was brought in for Shaun Marsh and Nathan Lyon replaced Jason Behrendorff.
India: Rohit Sharma, Shikhar Dhawan, Virat Kohli (c), Rishabh Pant (w), Kedar Jadhav, Vijay Shankar, Ravindra Jadeja, Bhuvneshwar Kumar, Kuldeep Yadav, Mohammed Shami, Jasprit Bumrah.
Australia: Aaron Finch (c), Usman Khawaja, Peter Handscomb, Marcus Stoinis, Glenn Maxwell, Ashton Turner, Alex Carey (w), Jhye Richardson, Pat Cummins, Adam Zampa, Nathan Lyon.