The hosts have lost five wickets, but end Day 2 with a 51-run lead.
Australia star Agar savours career highlight as hat-trick hero crushes South Africa.
India win low-scoring opener as Poonam Yadav bewitches Australia.
India were 122-5 at tea break but the final session on Day 1 was completely washed out.
Dimuth Karunaratne to lead Sri Lanka ODI squad against West Indies, Thisara Perera returns
Faf du Plessis back in South Africa T20I squad on day he stepped down as captain.
With the backing of Indian cricket fans, Sachin Tendulkar got the maximum number of votes to emerge winner on Monday.
New Zealand have announced their 13-man squad for the two-Test series against India to start from February 21 onwards.
Faf du Plessis has quit as South Africa captain across all three formats of cricket, but will remain available for selection, Cricket South Africa announced on Monday.
Buttler and Bairstow also struck fifties as the visitors chased down 223 to clinch a 2-1 series victory.