Defending champion PV Sindhu suffered a straight-game defeat to Tai Tzu Ying while Srikanth assured himself of a medal.
Sindhu will face either Spain's three-time world champion Carolina Marin or Tokyo Olympics silver medallist Tai Tzu Ying of Chinese Taipei next.
PV Sindhu eked out a three-game win over world number 1 Akane Yamaguchi of Japan
Seventeen-year-old Unnati, champion at the 2022 Odisha Masters and 2023 Abu Dhabi Masters, was no match for world No. 2 and top seed Pornpawee Chochuwong, going down 14-21, 11-21 in just 39 minutes.
Two-time Olympic medallist Sindhu defeated rising shuttler Anmol Kharb 21-17, 21-15, while Lakshya, 2021 world championships bronze medallist, powered past Malaysian qualifier Sholeh Aidil 21-12, 21-12 in another match.
In the men's doubles, Satwiksairaj Rankireddy and Chirag Shetty maintained their world number two ranking, although they lost in the quarter-finals of the World Championships going down to Kim Astrup-Anders Rasmussen.
HS Prannoy and PV Sindhu marched into the pre-quarterfinals of the Swiss Open Super 300 badminton tournament in Basel.
Two-time Olympic medallist P V Sindhu reached the women's singles final of the Syed Modi International badminton tournament after her fifth seeded Russian opponent Evgeniya Kosetskaya retired hurt midway into their semi-final in Lucknow on Saturday.
Kidambi Srikanth's opening round match ended in agony as he retired due to a knee injury after lagging 14-21, 3-11 against Japan's fifth seed Kodai Naraoka.
In other India-related results, it was curtains for Ashmita Chaliha, who lost 17-21, 16-21 to Indonesia's world no. 7 Gregoria Mariska Tunjung in 35 minutes. Both teams had received a bye in their opening match.
Reigning women's singles Olympic badminton champion Carolina Marin of Spain has withdrawn from the Tokyo games due to a knee ligament injury.
Kim Ji Hyun was handed the responsibility to sharpen the skills of former World No. 2 PV Sindhu with the World Championships and Olympics in mind.
B Sumeeth Reddy and Ashwini Ponnappa, however, suffered a 21-23, 21-13, 12-21 loss against Korean pair of Song hyun Cho and Lee Jung Hyun in their mixed doubles opening round.
Lakshya Sen sails into third round of World Championships
Sindhu, Lakshya win openers; Sai Praneeth loses in US Open
PV Sindhu cruised into the women's singles final with a dominating straight-game win over fellow Indian Unnati Hooda in the semis.
The script remained the same in the second game as well, with Sindhu maintaining her firm grip over the proceedings to race to a 6-0 lead in just two minutes.
Double Olympic medallist PV Sindhu, who is returning from an ankle injury, begins her campaign against former World Champion Carolina Marin of Spain in the first round of Malaysia Open.
Olympic silver medallist P V Sindhu continued her unbeaten run while debutant Sameer Verma also qualified for the knockout stage with a straight-game win in his last Group B match at the BWF World Tour Finals.
Though Sindhu decided against travelling to Denmark, she plans to participate in the Asia Open-I and Asia Open-II scheduled to be held in November.
India's top female sportspersons, including ace shuttler PV Sindhu and world champion boxer MC Mary Kom on Saturday praised Prime Minister Narendra Modi's 'Bharat Ki Laxmi' initiative.
World champion PV Sindhu made an early exit from the China Open but B Sai Praneeth kept the Indian flag fluttering with a hard-fought straight-game win to reach the men's singles quarter-finals.
Watch Sindhu putting in hard work for the coveted gold medal here!
I don't want to respond to what her father has to say, if Sindhu says something, I will respond, Gopichand retorts to PV Sindhu's father's allegations of unsatisfactory training.
The world No. 6 Indian duo will next face Danish pair of Jeppe Bay and Lasse Molhede later on Friday.
Two-time Olympic medallist PV Sindhu and HS Prannoy have been handed relatively easy groups for the Paris Games, which begin on July 26.
While Pusarla Venkata Sindhu was aiming to earn a gold for her country in the Rio Olympics, back home thousands of kilometres away many were, shockingly, fighting to stake claim over her.
Star Indian shuttler PV Sindhu wished Spain's Carolina Marin a speedy recovery after she was forced out of the Tokyo Games due to a freak knee injury and said she will miss the reigning Olympic champion at the quadrennial event.
Former Olympic and World champion Taufik Hidayat feels that the emergence of the talented PV Sindhu will not only reduce the burden of expectations on Saina Nehwal but also make India a force to reckon with in women's singles category.
Prime Minister Narendra Modi led the nation in hailing PV Sindhu's awe-inspiring performance at the World Championship, where she ended a silver-medallist after losing a breathtaking final.
Deepika and Atanu form the mixed team and they kickstarted their training
Satwik and Chirag jumped one spot in the latest BWF rankings to regain the fifth place.
The Indonesian had defeated Sindhu twice in the last three meetings this year, including one at the Madrid Spain Masters final, though the Indian came into the match with an overall 8-2 head-to-head record.
PV Sindhu on Sunday said she is "definitely" going to play for the next couple of years even as the 2028 Los Angeles Games remains at the back of her mind.
A former world no. 2, Sindhu has regained her place in the top 5 after three years. The former world champion from Hyderabad resumed her training on Monday after recovering from the injury.
Indian shuttler PV Sindhu will be seen on the hot seat of popular game show 'Kaun Banega Crorepati' (KBC).
Set to return after an injury-induced break, two-time Olympic medallist PV Sindhu is aware the road to Paris will be "challenging" and she needs to be "smarter" in her pursuit of coveted gold medal in the French capital.
However, a tough contest awaits the former world No. 1 as he faces top seed Kenta Nishimoto of Japan next.
India's badminton ace P V Sindhu entered the summit clash of BWF World Tour Finals with a hard fought win over Akane Yamaguchi of Japan in the semi-finals, in Bali, on Saturday.
PV Sindhu outclassed Germany's Yvonne Li to cruise into the women's singles quarter-finals of the Indonesia Open Super 1000 event in Bali on Thursday.
