The Indians also looked like overhauling their best ever tally of nine medals. The hosts have already assured themselves of medals in doubles in both the sections, apart from the team gold and silver.
Soumyajit Ghosh rolled over his Scottish rival Gavin Rumgay 11-4, 11-8, 11-6, 12-10, but G Sathiyan fell to world number 176 Chen Feng of Singapore 11-13, 11-9, 7-11, 10-12, 11-4, 5-11.
Saithiyan has to blame himself for squandering the fourth game after a sizeable 10-7 lead which allowed Chen to come back strongly and reach the semifinals. If only he had won, it would have given him a comfortable 3-1 lead and confidence to go over the hurdle.
Abhishek, ranked way below his rival (212), could not counter the speedy Amalraj despite possessing good strokes and went down without a murmur.
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In contrast, left-handed Sanil Shetty (267) overcame local boy and higher-ranked (155) Harmeet Desai 9-11, 4-11, 11-9, 7-11, 11-8, 11-9, 11-5.
In the pre-quarterfinals, Harmeet defeated England's Helshan Weerasinghe 11-13, 11-8, 11-7, 8-11, 6-11, 11-6, 16-14. The Indian saved two match-points and, on his second, won the crucial decider when Helshan sent the ball out after a couple of rallies.
Nevertheless, both Mouma Das and Manika Batra assured themselves of at least a bronze medal each. The biggest problem, however, will be their rivals in the semifinals, the top two seeds of the championships.
In the decider, Pooja fought well to level 8-all but the
attacking Mouma turned the heat on her rival to seal the fate with a 11-6, 8-11, 11-7, 12-10m 8-11, 10-12, 11-8 verdict.
On the other hand, it was an easy going for Manika against England's Ho Tin-Tin, whom the Indian had beaten in the team event.
However, it never happened as Manika steadied herself and shut her out in the next two for an easy 11-6, 11-6, 2-11, 11-7, 11-2 triumph.
It was always going to be difficult for Shamini against the world number 46 Zhou Yihan. Shamini did well to bring down the pace of game. However, Zhou was clever enough to change her game after being down 1-2 to bring Shamini more miseries. The Indian could not cope with it.
The other five Indians to make it to the last eight stages were Anthony Amalraj wbo beat Engalnd's David McBeath 9-11, 11-7, 11-6, 6-11, 11-4, 11-4, Sanil Shetty who accounted for Singapore's Chew Zhe Yu Clarence 11-4, 11-7, 13-11, 11-7, G Sathiyan who downed Marios Yiangou of Cyprus 11-4, 11-6, 11-9, 11-5, Soumyajit Ghosh, who rolled over Singapore's Pang Xue Jie 11-3, 17-15, 11-9, 11-2 and Abhishek Yadav who got a walkover from top-seed Singaporean Li Hu.
In mixed doubles semifinals, Indian pair of G Sathiyan and Ankita Das beat compatriots Sanil Shetty and Manika Batra 11-2, 13-11, 7-11, 11-8 to earn a gold medal meeting with the other pair, comprising Soumyajit Ghosh and Mouma Das.
Both Ghosh and Mouma were scheduled to meet the top Singaporean pair of Li Hu and Zhou Yiyan but Li withdrew owing to ill-health, giving a walkover. The Sanil-Manika duo will be awarded the bronze.