Kamal, who put up a disappointing show in India's poor team championship campaign, remains in the medal hunt with a convincing win over England's Danny Reed and Sam Walker 12-10 11-6 7-11 11-8 in the quarterfinals held at the Scotstoun Sports Campus.
However, Kamal and Shamini Kumaresan experienced a bitter loss against Reed and Kelly Sibley in the mixed doubles quarterfinals. The Indians fought back well after losing the plot early but eventually went down 7-11 9-11 11-5 14-12 4-11.
Soumyajit Ghosh and Harmeet Desai lost 12-10 11-9 11-8 11-8 against the mighty Singapore pairing of Gao Ning and Li Hu in another quarterfinal.
Batra, the 19-year-old from Delhi, recovered from a two game deficit to beat Canadian teenager Anqi Luo 11-13 11-7 8-11 11-2 11-7 11-9 at the Scotstoun Sports Campus.
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The 159th-ranked Indian meets World No.41 Ye Lin of Singapore in the quarterfinals later today.
In other categories, Kamal-Kumaresan defeated Australia's David Powell and Jian Fang Lay 11-6 8-11 4-11 13-11 11-7 in the mixed doubles fourth round.
The pair of Kamal and Amalraj were too good for Ryan Jenkins and Stephen Jenkins of Wales in the men's doubles. The Indians won the third round match 11-8 11-4 11-9.
Kamal, Ghosh and Desai are also scheduled to play their second round matches in the men's singles later today.