Ace India shuttler Saina Nehwal today lost her World No.1 crown to All England and World Champion Carolina Marin of Spain. This follows Saina's early second round exits at the recent Japan Open and Denmark Open tournaments. In the latest Badminton World Federation (BWF) ranking list released today, Saina dropped to No.2 spot. P V Sindhu, who reached her maiden Super Series final at Denmark Open remains static at World No.13. In Men's singles, Kidambi Srikanth, Parupalli Kashyap and H S Prannoy slipped down the rankings chart to No.8,10 and 17 respectively.