India's men singles shuttler B Sai Praneeth and India's two doubles pairs have advanced to the semifinals of the US Open Grand Prix Gold badminton tournament.In New York today, 22-year-old B Sai Praneeth thrashed Hong Kong's 12th seeded NG Ka Long Angus, in straight games 21-8 21-14 in a lop-sided quarterfinal that lasted just 32 minutes. The 16th seeded Indian will next meet former World No. 1 and two-time Olympic silver medallist Lee Chong Wei of Malaysia. In Women's Doubles, Commonwealth Games silver medallists Jwala Gutta and Ashwini Ponnappa, seeded fourth, advanced with a 21-17 21-14 win over seventh seeded German pair of Johanna Goliszewski and Carla Nelte. The Indian pair will next take on Japanese combo of Ayane Kurihara and Naru Shinoya in the final four. Indian men's doubles pair of Manu Attri and B Sumeeth Reddy earned a hard-fought victory over England combo of Marcus Ellis and Chris Langridge 22-20 21-13 to make it to the semifinals. They will play fourth seeds Takeshi Kamura and Keigo Sonoda of Japan.