Sindhu has been off colour this year, struggling for form.
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.
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, earlier addressed the frenzied media at the Indira Gandhi InternationalAirport in New Delhi on Monday
It was the meeting of two superstars as World champion PV Sindhu caught up with Tamil movie superstar Kamal Haasan in Chennai on Thursday.
'I want to take Durga Maa's blessings and achieve a lot more'
Scheduled to be held in Denmark from October 3 to 11, the Thomas and Uber Cup will mark the resumption of international badminton after it was brought to a halt in March because of the dreaded virus.
None of the other three quarters boast of such a strong star cast but there would be a few mouth-watering opening round clashes to look forward to.
Sindhu is the lone Indian to have qualified for the women's singles in Tokyo Olympics a
Sindhu does not expect her prolonged pandemic-related absence to hamper her preparations for next year's rescheduled Tokyo Olympics.
The 2021 All England Open will be the second tournament this year to offer ranking points to qualify for the Tokyo Olympics, after the Swiss Open.
PV Sindhu had burst onto the scene when as a 16-year-old she had stunned London Olympics gold medallist Li in the quarterfinals of China Masters.
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.
India's foreign coach for badminton Agus Dwi Santoso says he will not be able to implement his plans for the Tokyo Olympics with only four shuttlers at his disposal, and wants the Sports Authority of India to allow more players in the national camp.
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.