While the duo of Ponnapa and Rankireddy beat seventh seeded Robin Tabeling and Cheryl Seinen of the Netherlands 21 -15 20-22 21-6, the other India pair got the better of Belgium's Freek Golinski and Lise Jaques 21-18 21-23 21-14.
In the men's singles event, Subhankar Dey beat Naoki Yamazawa of Japan 21-14 21-18.
However, Karan Rajan Rajarajan lost to Kieran Merrilees 11-21 14-21, Sri Krishna Priya kudaravalli was beaten by Natalia Koch Rhode 21-12 21-10 and Rahul Yadav lost to Alexander Roovers.