The seedings are based on today's (July 21, 2016) World Rankings for the final confirmed Olympic qualifiers, and will be used for the draw on July 26.
Top seed Manu and Sumeeth Reddy, who became the first Indian men's doubles pair to qualify for the Rio Olympics
Saina`s city-mate PV Sindhu retained her 10th spot in women`s singles.
Saina received a big boost ahead of her Rio Games campaign as she defeated the 2011 world champion and 2012 Olympic silver medallist.
London Olympics bronze-medallist, Saina outclassed Malaysia's Jin Wei Goh 21-12 21-14 in a 37-minute clash.
It was young shuttler Ruthvika Shivani Gadde, who sealed the win for India after she dished out a superb game to outclass Nitchaon Jindapol in the second singles.
Indian women will face Australia in their campaign opener on Monday, before taking on Germany and the formidable Japan in the next two days respectively.
The sport`s pre-eminent nation suffered a blip at the last Thomas Cup in 2014 when Lin`s team were stunned in the semi-finals by Japan, who then beat Malaysia in the final.
Saina has a 9-4 career head-to-head lead over her semi-final opponent.
Saina remains the last hope for India in the tournament, which is the last event before the Rio Olympics qualification deadline.
In the next round, Saina will face the winner of the match between Indonesia's Lindaweni Fanetri and Thailand's Nitchaon Jindapol.
K Srikanth, PV Sindhu, Saina Nehwal, Jwala Gutta, Ashwini Ponnappa, and Manu Attri are among the players likely to make it to India's badminton team to the Olympics.
Prannoy lost his match to Long, which was his third defeat to the two-time World Champion and two-time All England champion.
Sindhu will now face Porntip Buranaprasertsuk of Thailand in the quaterfinals.
Fourth seed Sindhu took 34 minutes to get the better of her Japanese rival Natsuki Nidaira.
It turned out to be a disastrous day for the men's singles shuttler as Kidambi Srikanth, H S Prannoy and Ajay Jayaram lost their respective first round matches.
I don't think there's anything called form. It's about how you feel on that particular day. It's about how good you're mentally.