The Indian duo of Mahesh Bhupathi and Rohan Bopanna and the Indo-South African pair of Leander Paes and Kevin Anderson have crashed out of the Men's Doubles categoryv in the AEGON Tennis Championship, taking place in London.In the quarterfinals played on Friday, fifth seeds Bhupathi and Bopanna lost to the top seeded Belarusian-Canadian combine of Max Mirnyi and Daniel Nestor, 6-7, 4-6.Meanwhile, India's Leander Paes and his South African partner Kevin Anderson had to bow out in the pre-quarterfinal round as they lost to Serbia's seventh seeded duo of Janko Tipseravic and Nenad Zimonjic, 6-2, 4-6, 7-10.