Sindhu prevailed over Golovanova 21-12 21-17 in the second round match while Jwala-Ashwini lost 21-16 21-8.
Saina took just 31 minutes to dispose off Perminova 21-11 21-9. Nehwal had earlier got a bye in 1st round.
Saina would try to ensure that she ends up better than third, a position she managed in the previous edition.
Long wait ends for Parupalli Kashyap, who claims India’s first men’s badminton singles gold since 1982.
Kashyap became the 1st Indian in 32 years to win men's singles gold after he defeated Wong 21-14 11-21 21-19.
Kashyap beat England’s Rajiv Ouseph 18-21 21-17 21-18 in an one hour and 23 minute semifinal.
Kashyap said that line calls in semis were simply ridiculous; may be the umpires wanted England to win.
In case Kashyap wins gold, he will become the 1st Indian male badminton player in 32 years to do so.
Saina Nehwal, the defending Commonwealth Champion is not participating in the event.
Indian shuttlers Parupalli Kashyap, R M V Gurusaidutt and P C Thulasi entered the quarterfinals in Glasgow.
Indian shuttlers blanked Kenya 5-0 to complete their group stage proceedings unconquered.
Sindhu can step up to the challenge of defending what is India’s crown in women’s singles.
Saina picked up the blisters during the Australian Open Super Series, a tournament she had won.
The Malaysian, 31, has will miss the Glasgow Commonwealth Games due to a thigh injury.
Saina said that win is "very very special" for her as she overcome the pain owing to blisters on her foot.
Saina clinched the Australian Open after beating Spain’s World No. 11 Carolina Marin 21-18, 21-11 on Sunday.
The Indian, seeded sixth, has traded some high-octane victories against Shixian.
Sixth-seeded Saina prevailed 21-19 16-21 21-15 in a marathon match, which lasted an hour and 16 minutes.
Saina defeated Hirose 21-18 21-9 to set up a clash against world no. 2 Chinese Shixian Wang in semis.
Saina had an easy outing against K.Gilmour, but will face world no.1 Li Xuerui of China in the next match.