Ace Indian shuttler Saina Nehwal has advanced to the Women's singles quarterfinals of Thailand Grand Prix Gold badminton tournament. In Bangkok yesterday, the World number five beat Li Han of China in straight games 21-17, 21-13. Top-seeded Saina will next take on the winner of the match between Japan's Kaori Imabeppu and eighth seed Sapsiree Taerattanachai of Thailand.The other Indian in the women's singles, P V Sindhu, however, lost to former World Champion Wang Lin 12-21, 23-25 in 36 minutes.In the men's doubles competition, Sanjeeth S and Jagadish Yadav lost 12-21, 6-21 to Calvin Jia Hong Ong and Wee Gleen Tan of Malaysia. Another Indian pair of Tarun Kona and Arun Vishnu also bowed out with a 22-24, 13-21 defeat to sixth seeds Ricky Karanda Suwardi and Muhammad Ulinnuha of Indonesia.India's women's doubles pair of Pradnya Gadre and Prajakta Sawant also crashed out with a 19-21, 12-21 defeat to the Malaysian combo of Amelia Alicia Anscelly and Fie Cho Soong in a 27-minute match.Up against the top seeds Xia Huan and Jinhua Tang of China, the Indian pair of Aparna Balan and Siki Reddy lost 10-21, 13-21 in 24 minutes.