India’s Satwiksairaj Rankireddy and Chirag Shetty have been knocked out of the BWF World Championships after losing their quarter-final to China’s Liang Wei Keng and Wang Chang.India’s Satwiksairaj Rankireddy and Chirag Shetty have been knocked out of the BWF World Championships after losing their quarter-final to China’s Liang Wei Keng and Wang Chang.