Sania, who will open her US Open campaign against former doubles partner Shahar Peer, moved from 64 to 63 in the singles but remained 11th in the doubles list.
In the WTA doubles race to year-end championship, she and Russian Elena Vesnina remained in third place.
In the ATP singles chart, there was no change in Somdev's ranking (64) and in the doubles chart, Mahesh Bhupathi (6), Leander Paes (8) and Rohan Bopanna (9) were also static.
Somdev is up against world number four Andy Murray of Britain in the US Open opening round. In the doubles team ranking, Bhupathi and Paes were at number four and the Indo-Pak pair of Bopanna and Qureshi were unchanged at number six.