Star Indian shuttler Saina Nehwal suffered a straight-game defeat to Intanon Ratchanok of Thailand in the semifinals of the women's singles in the All England Championships today. At the<br/>National Indoor Arena in Birmingham, the world number three Indian went down 15-21 19-21 against the World Number Eight Thai player in 40 minutes.<br/><br/>This is the third time Saina has lost to the 18-year old Intanon. She was beaten at the Sudirman Cup in 2011 and also at the Super Series Final last year.<br/>