Young Indian shuttler Ashmita Chaliha recorded the first upset of the India Open when she stunned fifth seed Evgeniya Kosetskaya, while top seed PV Sindhu sailed into the women’s singles second round of the tournament here on Tuesday.

Reigning world champion Loh Kean Yew was stretched to three games, while home favourite Kidambi Srikanth registered a convincing win in their respective men’s singles first round matches of the World Tour 500 tournament series event.