Saina, who turned 26 today, went through injuries last year and missed out on a few tournaments this season, including the Syed Modi Grand Prix Gold and South Asian Games in January and February respectively.
The Olympic bronze medallist, who had finished runners-up at the 2015 All England Championship, lost to Tai Tzu Ying in straight games in the quarterfinals. The Indian now has 73,222 points.
Two-time bronze medallist at World Championship, P V Sindhu improved a place to reach the 11th spot.
Young Sameer Verma, who lost in the second round of All England championship, jumped six places to be at the 36th place.
Indian men's doubles pair of Manu Attri and B Sumeeth Reddy surged one place to the 19th spot, while Jwala Gutta and Ashwini Ponnappa sunk a spot to World No. 15.