Somdev Devvarman improved his ranking by two slots to reach career best 109 but Yuki Bhambari slid to 357 after a loss of 35 places in the latest ATP singles chart, issued on Monday. US based Indian Prakash Amritraj also suffered a huge loss of 39 positions to stand at 255.However, there was no change in the rankings of Leander Paes (6) and Mahesh Bhupathi (7) in the doubles chart. In the WTA list, out of action Sania Mirza also had her singles (92) and doubles (53) rankings unchanged.(Source DD)