New Delhi, Aug. 21 -- Indian shuttlers delivered a mixed performance at the BWF World Championships on Friday, with women's doubles pair Treesa Jolly and Gayatri Gopichand securing a historic semifinal berth, while Satwiksairaj Rankireddy and Chirag Shetty bowed out in the quarterfinal stage.

Treesa and Gayatri kept alive the country's remarkable medal streak at the BWF World Championships after defeating China's fourth-seeded pair Jia Yi Fan and Zhang Shu Xian in a thrilling women's doubles quarterfinal at the Indira Gandhi Indoor Stadium.

The Indian duo produced a stunning comeback victory, overcoming a game deficit to beat Jia and Zhang 16-21, 21-15, and 21-13 and enter the semifinals. With the win, Treesa and Gayatri became only the...