Sindhu tested the conditions at the Babu Banarasi Das Indoor Stadium en route to her easy 21-9 21-11 win over compatriot Anura Prabhudesai in a lop-sided women's singles contest, while third seed Srikanth staved off a spirited challenge from fellow Indian Lakhanee Sarang 15-21 21-7 21-14 in his opening men's singles match before notching up a 21-5 21-12 win over Malaysia's Zulhelmi Zulkiffli.
Among other Indians in men's singles, H S Prannoy, Verma brothers -- Sourabh and Sameer, B Sai Praneeth and Harsheel Dhani also reached the third round.
2016 Swiss Open winner, Prannoy, seeded sixth and has been in rampaging form at the Premier Badminton League, brushed aside NVS Vijetha 21-11 21-9 and Bodhit Joshi 21-16 21-8 in the first two rounds to set up a clash with 15th seed Dhani, who defeated Aryamann Tandon 21-12 21-17 in another second round match.
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Hong Kong Open finalist Sameer Verma, eighth seed, emerged winner in the opening game after Kartik Jindal retired when he was trailing 1-5 and the Indian then beat K Ajay Kumar 21-13 21-14 to make it to the next round.
Among other seeded shuttlers, World No 15 and second seed Hans-Kristian Vittinghus of Denmark, his fifth seeded compatriot Anders Antonsen, Malaysia's Zulfadli Zulkiffli, seeded 7th, Israel's 13th seed Misha Zilberman and 12th seed Emil Holst also reached the pre-quarters.