Two-time bronze medallist at World Championship, P V Sindhu, seeded fifth, defeated Kim Hyo Min of Korea 21-13 22-20 in a women's singles match to set up a clash with the winner of the match between Indonesia's Lindaweni Fanetri and Cheng Chi Ya of Chinese Taipei.
In men's singles, Seventh seed H S Prannoy saw off Chinese Taipei's Lin Chia Hsuan 21-19 21-15 and will meet China's Qiao Bin tomorrow.
However, it turned out to be a disappointing day for ninth seed Jayaram as he lost 11-21 17-21 to Lin Guipu of China in another men's singles match.
(REOPENS FGN 19)
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Meanwhile, Sameer Verma reached the semifinals of the men's singles after getting the better of Malaysia's Chong Wei Feng 21-17 23-21 in just 47 minutes.
However, it was curtains for Ajay Jayaram as he lost his quarterfinal match to NG Ka Long Angus of Hong Kong 15-21 14-21 in 32 minutes and crashed out of the event.
"I was leading but lost the second game. She (Xiaoyu Lian) played well. I was very nervous and gave a huge lead. I was 7-15 down in the third. My shots were going out, even the once I had to get. I was not confident in playing strokes. Even when I played safe the shots were going out.
"I didn't know what to play. After 7-15 I got confident. Liang is good, she has improved a lot. I was not up to the mark," said Sindhu.
"The last two matches were too tiring. I pushed myself but it was too tough for me today. I was trying but she (Cheung Ngan Yi) was a bit more alert in the end. I was trying to get my breath back and she was pushing hard," said Saina.
"I had the feeling I could have won. But it is not easy when you are not fit. I'm not disappointed with the loss. I am happy that I am playing well after comeback. I could have played semis but when your condition is not good you can't expect too much," she added.