Sania Mirza kept her doubles campaign afloat, but fifth seeds Leander Paes and Paul Hanley were sent packing by Rohan Bopanna and Rajeev Ram in men's doubles as the Indians completed a reasonably good day at the Australian Open.Sania, whose singles campaign ended in the third round yesterday, was back to winning ways as she moved ahead in both the women's doubles' and mixed doubles.In women's doubles, Sania and her Australian partner Alicia Molik completed their rain-affected second round match beating Russians Nadia Petrova and Elena Vesnina 6-3 5-7 6-4 to advance to the third round.The sixth seeds will now take on 12th seeds Victoria Azarenka of Belarus and Israeli Shahar Peer, who beat the Swiss pair of Emmanuelle Gagliardi and Patty Schnyder 6-3 6-3.After their successful doubles outing, the Indo-Australian pair was seen fighting each other in mixed doubles.Sania partnered Mahesh Bhupathi for the opening round of the event and the Indian pair hardly broke a sweat as they ousted local favourites Molik and Nathan Healy 6-1 6-4.Sania and Bhupathi now have a tough match on hand as they will be up against second seeds Lisa Raymond and Simon Aspelin in the pre-quarterfinals.