In the Australian Open, Sania Mirza and Leander Paes kept up their momentum posting victories in their respective events, but Somdev Devvarman and Prakash Amritraj suffered a humiliating defeat to bow out of the tournament.Sania and her partner Virginia Ruano Pascual reached the pre-quarterfinals of the women's doubles event. The 10th seeded Indo-Spanish pair defeated Timea Bacsinszky of Switzerland and Italian Tathiana Garbin 7-6, 6-3 in their second round match at Melbourne Park.