Sindhu and Srikanth are expected to have easy first round outings against relatively unheralded opponents but the road is tricky for former finalist Saina Nehwal, who will face none other than World No.1 and defending champion Tai Tzu Ying of Chinese Taipei in the lung opener. Saina lost the match 14-21, 18-21 in straight games.
PV Sindhu squared off against Thailand's Pornpawee Chochuwong and emerged victorious.
Singapore Open champion B Sai Praneeth squandered an opening game advantage to go down 21-13 15-21 11-21 to fifth seed Korean Son Wan Ho.
Srikanth was no match for Leverdez in the first game as he failed to execute his strokes properly with most going wide and long.
Srikanth started off the last game in the same manner leading 11-6 at the break.
Sindhu blew 11-4 advantage in the opening game as Pornpawee fought back to catch up with the Indian at 14-14.
Sindhu had early jitters as she conceded the first game after a tough fight, but clawed back in the next two without giving any chance to the Thai shuttler for a comeback.
Sindhu recovered in time and wrapped up the game with the decider lasting just 15 minutes. It was Saina's eighth successive loss to the Taiwanese wizard in five years.
In women's doubles, India's Meghana Jakkampudi and Poorvisha Ram lost 14-21, 11-21 to fifth seed Shiho Tanaka and Koharu Yonemoto of Japan in their opening round match.
After failing to keep pace with Tai Tzu in the opening game, the 27-year-old Indian blew a 16-11 advantage in the second game to bow out of the Dollars 1,000,000 world Super 1000 tournament. She went into the break with three-point advantage at 11-8. Saina then extended the lead to 16-11, but Tai soon made it 15-16 through four consecutive points. But Tai Tzu once again fought back, riding on her accurate stroke play as she made the Indian run across the court with her acute angled returns.