Prannoy fought back to level at 13-13, but Popov surged ahead as the Indian crumbled.
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.
The Indian men's team will face Chinese Taipei in group C of Thomas Cup Final later in the day.
Rankireddy and Shetty, who had arrived in Madrid after winning the Swiss Open Super 300 last week, retired from their first-round match
One of the strong medal hopefuls from badminton at the upcoming Olympics, PV Sindhu said she wants to break into the top 7 in world ranking before the Rio Games in August.
BAI cancels preparatory camp.
From China's world number one Shi Yuqi's surprising loss to Thailand's Kunlavut Vitidsarn, to Malaysia's women's doubles team's brave bid for a medal, badminton at the Paris Olympics was characterised by upsets, plucky underdogs and, ultimately, reminders that some top seeds are there for a reason.
Satwik and Chirag jumped one spot in the latest BWF rankings to regain the fifth place.
India's top shuttlers PV Sindhu and Saina Nehwal will be seen in action for the first time since the coronavirus-forced break when they compete in three upcoming tournaments in Bangkok, including the prestigious BWF World Tour Finals.
Indian shuttlers who competed at the Paris Olympics, including PV Sindhu, Lakshya Sen and the men's doubles pair of Satwiksairaj Rankireddy and Chirag Shetty, are giving the tournament, the year's final BWF Super 1000 event, a miss.
Rising Indian shuttler Malvika Bansod continued her impressive form this year, pulling off a stunning upset against world No. 23 Sung Shuo Yun of Chinese Taipei to advance to the women's singles pre-quarterfinals of the Arctic Open Super 500 tournament on Tuesday.
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.
Sindhu had been left in tears after an 'unfair' call by the umpires midway
Lakshya's Paris hopes brighten, enters No.15 in Olympic Games qualification
Olympic medallist PV Sindhu and Kidambi Srikanth crashed out in the quarter-finals of the French Open after suffering straight-game defeats in their respective matches as India's campaign ended in the singles events.
The Olympic silver-medallist, who out-played Japan's Nozomi Okuhara 21-7, 21-7 in a lop-sided final in Basel, Switzerland on Sunday, was mobbed at the airport after she touched down, with national coach Pullela Gopichand by her side, late on Monday.
Indian badminton national coach Pullela Gopichand feels PV Sindhu can do much better in terms of her defensive ability as she faces world number three Nozomi Okuhara in the Olympic semi-finals on Thursday.
The 23-year-old remains India's 'silver girl', having lost finals at the Olympics, Commonwealth Games and two world championships before Tuesday's Asian Games title showdown defeat to world number one Tai Tzu-ying of Taiwan.
Sindhu expectedly faced no resistance from Uganda's Husina Kobugabe, winning 21-10, 21-9 in her pre-quarterfinal match.
Earlier this month, Sindhu had attained her career-best world number two ranking after clinching her maiden India Open Super Series title.
Serena Williams was the highest paid female athlete for a third consecutive year in 2018, according to an annual list published by Forbes on Tuesday that was dominated by tennis players.
India's star shuttler Parupalli Kashyap and teen sensation PV Sindhu stormed into the final of the men's and women's singles respectively in the $120,000 Syed Modi Indian Grand Prix Gold tournament in Lucknow on Saturday.
Edwin Moses questions India's intent to bid for 2030 CWG.
While India have never won the gold at the Asia Mixed Team Championships, they did secure mixed team gold and silver at the Commonwealth Games in 2018 and 2022.
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.
A keen contest is on the cards when world's top woman shuttler Carolina Marin crosses swords with India's PV Sindhu in the inaugural match of Premier Badminton League between Hyderabad Hunters and Chennai Smashers on Sunday.
Indian men's hockey team captain Sardar Singh and former skipper of the national women's side Saba Anjum were conferred with the prestigious Padma Shri Award by President Pranab Mukherjee at a glittering ceremony in Rashtrapati Bhavan.
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.
India's PV Sindhu outclassed World No. 2 Akane Yamaguchi in straight games to storm into the final of the World Championships in Nanjing
Star India shuttler P V Sindhu made an exit from Thailand Open after going down in straight games to Olympic champion Chen Yu Fei in the semi-finals in Bangkok on Saturday.
Olympic champion Carolina Marin kicked-off the second edition of Premier Badminton League, on Sunday, in style winning a closely contested encounter against PV Sindhu guiding Hyderabad Hunters to 4-3 win over Chennai Smashers.
'Sippin' on this coffee brew, trying to shake off my koala-style slumber, and praying it'll give me more kangaroo bounce in my step and improve my smashing skills!!'
Defending champion PV Sindhu suffered a straight-game defeat to Tai Tzu Ying while Srikanth assured himself of a medal.
Seventh seed Sindhu lost 14-21 18-21 to Bing Jiao in the women's singles.
India's schedule at the Olympics on Wednesday, Day 5 of competition.
The third seeded Indian will face the winner of the other semi-final, between Japan's Aya Ohori and China's Wang Zhi Yi, on Sunday.
Padukone attributed Sindhu and Saina's success to their physical abilities.
With her silver from Rio, PV Sindhu is already India's most successful female Olympian but her World Championship triumph also boosted the nation's hopes of a medal in Tokyo next year.
Top shuttler P V Sindhu has recovered to be fit for the singles event of the ongoing Commonwealth Games, national coach Pullela Gopichand said.
PV Sindhu advanced to the quarterfinals of Badminton Asia Championships