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He became only the fourth Indian to win a silver medal in the competition.
The two Indian men's doubles pair of Dhruv Kapila and M R Arjun and Satwiksairaj Rankireddy and Chirag Shetty also moved into the quarterfinals.
The women's doubles pair of Treesa Jolly and Gayatri Gopichand also made a winning start.
Sindhu will next face unseeded Saena Kawakami, the Japanese world No. 38, who caused an upset by eliminating sixth-seeded Pornpawee Chochuwong of Thailand 21-17 21-19.
For Saina Nehwal it is consecutive first-round exit in the event.
London Olympics bronze medallist Saina went down fighting to American Iris Wang, 11-21 17-21.
Indian flavour will be missing in the men's section at the Indonesian Open Super Series 500 after the withdrawals of Srikkanth, Kashyap and Prannoy.
Srikanth, seeded eighth in the BWF Super 500 tournament, won his first round match against Brice Leverdez of France 18-21, 21-10, 21-16 in 49 minutes.
Indian men's doubles pairing of Satwiksairaj Rankireddy and Chirag Shetty also made it to the quarterfinals.
The selection trials are scheduled here from April 15 to 20.
Results 11-20 of 124
