Top Indian shuttlers P V Sinndhu and B Sai Praneeth, and the pair of Ashwini Ponnappa and B Sumeeth Reddy entered the Quarter Finals of the Singapore Open Badminton Super-series tournament today.In Women's singles, Sindhu defeated Indonesian World No.27 Fitriani Fitriani 19-21, 21-17, 21-8 in a pre-quarter final match.In Men's Singles, B Sai Praneeth defeated China's Qiao Bin 21-15, 21-23, 21-16. World No.30 Praneeth will clash with 8th seeded Tanongsak Saensomboonsuk of Thailand next.In Mixed Doubles, the pair of Ashwini Ponnappa and B. Sumeeth Reddy beat the Korean pair of Jae Hwan Kim and Lee So Hee 17-21, 21-17, 21-16. They will take on third seeded Chinese combo of Lu Kail andl Huang Yaqiong next.K Srikant in Men's Men's Singles and the Women's doubles pair of Ponnappa and Nelakuri will be in action this evening.