The top seeded pair, touted as firm favourites to lift the men's double title in the 35 plus age category made short work of the Swiss pair 21-7, 21-10 to stay on course for their maiden Masters title.
They will meet the Danish pair of Lars Klintrup and Morten Rasmussen in the last eight stage.
Second seeded Indian pair of V Diju and JBS Vidhyadhar also kept their hopes alive as they got past the English- Japanese pair of Rudy Sototo and Ryo Tazo 21-11, 21-11 to qualify for the quarterfinals in the 35 plus age category.
In the 55 plus men's singles category, one of the tournament favourites Harjit Singh made a stunning comeback to register a hard fought victory 14-21, 21-12, 21-9 over Fred Fiebeg of Germany to book a spot in the quarterfinals.
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He will take on 3/4 seeded Bengt Mellquist of Sweden in his next match.
Basant Kumar Soni also advanced to the quarterfinals in 55 plus men's singles competition with a commanding 21-3, 21-8 victory over Wiwat Traisilpwissarut of Thailand. He will face Heinz Josef Roesch of Germany in the last eight encounter.
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