The Olympic bronze medallist shuttler had slipped to world number six last week after failing to defend her title at Denmark Open.
The 23-year-old had lost to World No. 6 Ji Hyun Sung in the quarterfinals of the Premier tournament after she slipped and hurt her ankle in the third game.
But last week in Paris, Saina had lost in the second round to Korea's Yeon Ju Bae at French Open, where she had reached the finals last year.
Among others, P V Sindhu has improved one place to be back at her 10th spot with 52352 ranking points, while men's singles player Parupalli Kashyap lost one place to slip to world number 12.
RMV Gurusaidutt improved two places to break into the top 20. He is now the second best Indian at 19th spot, while Ajay Jayaram is next at 26th place. Rising shuttler K Srikanth also jumped three places to be at 27th spot in the latest ranking.