Satwik-Chirag pull out of Sudirman Cup due to illness: BAI

India's top men's doubles pair of Satwiksairaj Rankireddy and Chirag Shetty on Monday withdrew from the BWF Sudirman Cup Finals due to illness in a big blow to the country's prospects at the prestigious mixed team championship to be held in Xiamen, China from April 27 to May 4.