The top Indian players, including Sindhu, Saina Nehwal and Srikanth have failed to lift the prestigious trophy
Two-time Olympics medallist P V Sindhu opted out citing post-Olympics recovery.
Rio Olympic silver medallist Sindhu, who made early exits at the China Open and Korea Open, dropped to the 6th spot after five months and the former World No 2 shuttler will look to make amends at the Denmark Open and French Open.
PV Sindhu advanced to the quarterfinals of Badminton Asia Championships
India's shuttlers enjoyed a mixed day at the Australian Open Super Series as Saina Nehwal, Kidambi Srikanth, P V Sindhu and B Sai Praneeth progressed to the second round but four others were knocked out in the first round itself, in Sydney, on Wednesday.
Tokyo Olympian B Sai Praneeth will meet compatriot HS Prannoy in his opening match, while former Commonwealth Games champion Parupalli Kashyap will square off against a qualifier.
He was clearly disappointed to miss out the Indian Open title, but star Indian shuttler Satwiksairaj Rankireddy on Sunday said "losing is better than winning always" and hoped the defeat in the final will spur him and his doubles partner Chirag Shetty to win a bigger crown in coming days.
Home favourites Satwiksairaj Rankireddy and Chirag Shetty went down in a tense final against world champions Kang Min Hyuk and Seo Sang Jae at India Open, settling for their second successive runners-up finish, in New Delhi on Sunday.
If Sindhu and Saina win their respective second round matches, they will face each other in the quarter-finals.
BAI General Secretary Ajay Singhania said that BAI is in receipt of the letter from the shuttler.
Sindhu beat fourth seeded Blichfeldt 22-20, 21-10 in 43 minutes
The Indian women's badminton team crashed out of the Uber Cup after losing to Japan in the quarter-finals in Aarhus, Denmark on Thursday while the men completed their group engagements in the Thomas Cup with a defeat to China.
The Olympic silver medallist will now face Korea's An Se Young next.
India have been drawn with top seeds and defending champions China, Thailand and hosts Finland for the upcoming Sudirman Cup badminton tournament, making it a tough Group A for the side to negotiate.
India's shuttlers, including London Olympics bronze medallist Saina Nehwal, expressed shock after reports emerged that a sparring partner of the Taiwanese national team, who was in Birmingham during the All England Championship, tested positive for the coronavirus.
India's campaign at the Sudirman Cup ended after they went down 0-3 against top seed and 10-time champions China in the quarter-finals of the mixed team championship in Gold Coast.
India's women shuttlers assured themselves of a maiden Badminton Asia Team Championships medal by cruising to a 3-0 win over Hong Kong in the quarter-finals.
Following is India's schedule at the Tokyo Olympics on Saturday, July 24.
Deepika and Atanu form the mixed team and they kickstarted their training
With the coronavirus pandemic halting all sport activities, India's former chief badminton coach Vimal Kumar on Tuesday urged the government to allow the Olympic-bound athletes to continue their training after conducting the required tests. Following the respective directives of the Talengana and Karnataka governments, the Pullela Gopichand academy in Hyderbad and Prakash Padukone Academy in Bangalore have been shut down for two weeks.
Denmark's 2017 World Champion Viktor Axelsen and home favourite Okuhara Nozomi, who won bronze at Rio 2016, are also among the star names.
A look at how India's athletes fared at the Tokyo Olympics on Saturday.
Sindhu, who is currently competing at the French Open in Paris, jumped one rung to stay one spot behind Chinese Taipei's Tai Tzu Ying, who continues to dominate the rankings.
Olympic silver medallist P V Sindhu is set to fly out of London on Sunday -- she will reach Bangkok via Doha.
India's double Olympics medallist P V Sindhu continued her impressive run at the French Open badminton tournament, sailing into the women's singles semi-finals with a straight-game win over Thailand's Busanan Ongbamrungphan, in Paris, on Friday. Sindhu, seeded third, scripted a convincing 21-14, 21-14 win over eighth seeded in 38 minutes to extend her head-to-head record against the Thai to 14-1.
Returning to action after a break, double Olympic medallist P V Sindhu saw off Turkey's Neslihan Yigit in straight games to join compatriots Kidambi Srikanth and Sameer Verma in the second round of the Denmark Open in Odense on Tuesday.
Olympic medallists Saina Nehwal and PV Sindhu sailed into the women's singles quarter-finals with straight-game wins but it was curtains for Kidambi Srikanth at the BWF Badminton World Championships, in Nanjing, China on Thursday.
India's Saina Nehwal on Saturday crashed out of the Orleans Masters after losing in the semi-final against Denmark's Line Christophersen, in Paris on Saturday.
Indian men's team failed to defend its title after going down fighting 1-3 to China
Star Indian shuttler HS Prannoy said the mentality of not giving up without a fight kept him motivated during the epic victory over Denmark in the Thomas Cup semi-finals on Friday.
Rejuvenated after a month-long break from a hectic BWF schedule, Sindhu and Srikanth prevailed over Japanese shuttlers Aya Ohori and Kenta Nishimoto in women's and men's singles respectively.
Treesa committed a few errors but the Indian duo still managed to keep its nose ahead, despite the fighting Taiwanese pair.
Sen, who had emulated his mentor Prakash Padukone by winning the World championship bronze in Huelva, Spain last month, will now look to claim the All England Championships in March.
Olympic silver medallist P V Sindhu and B Sai Praneeth moved into the quarter-finals of Japan Open badminton tournament after registering contrasting wins but it was curtains for H S Prannoy.
Double Olympic medallist PV Sindhu's gallant fight ended in agony as India made a dismal start to their Sudirman Cup campaign, going down to the formidable Chinese Taipei in the opening round in Suzhou on Sunday.
Rio Olympics silver medallist P V Sindhu began her campaign at the Tokyo Olympics with an easy 21-7, 21-10 victory over Israel's Ksenia Polikarpova in her first singles group match on Sunday.
Double Olympic medallist, Sindhu faces top seed and World No 1 Tai Tzu Ying of Chinese Taipei in the quarter-finals. Ying beat Scotland's Kirsty Gilmour 21-10, 19-21, 21-11 to advance.
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.
This spin serve has proved to be a handful for the opposition players, who have struggled to send it back as the shuttle twists and falls across the net.
Star Indian shuttlers PV Sindhu and Kidambi Srikanth will look to arrest their slump in form when they begin their campaign at the Australia Open badminton tournament in Sydney on Tuesday.