Sania Mirza's attempt to get through  the doubles failed as she and her partner Chia-Jung Chuang suffered a straight set loss to Alla Kudryavtseva and Monica Niculescu in the second round of the Wimbledon Championships in London on Saturday.The 15th seeded Indo-Taipei pair lost 2-6, 3-6 to the unseeded Russian-Romanian combination.Sania was already out of the singles competition.