Almost all the top Indian shuttlers have dropped down the world ranking ladder, thanks to Badminton Association of India’s tough posture of not allowing them to play in the Singapore Open (May 1-6) and Indonesian Open (May 7-13).Anup Sridhar, who has been in excellent form in the season so far, has been the hardest hit in the singles charts, going down 15 places to 49 in two weeks.According to the latest rankings released by the world body today, the Bangalore boy slipped back to the same position he was in before his stupendous efforts on the European Tour and ABC. Chetan Anand has lost three places after two weeks of inaction and occupies the 33rd position, while Nikhil Kanetkar is down to 51 from 49.Jwala and Shruti Kurien, the top women’s doubles duo, have gone down five rungs to 30. In the women’s singles charts, Saina Nehwal was lucky to lose just one spot and is placed 23.Those who slipped out of the top 32 will now have to go through the tough qualifying rounds for an entry into the main draws of the Super Series events.