Somdev, who touched a career-best 63rd last week, took a break from the circuit after Wimbledon and lost two positions.
In the WTA ranking, Sania Mirza was static in both singles (63) and doubles (11). Her team ranking with Russian Elena Vesnina is also intact at number two in race to year-end championship.
In the ATP doubles ranking, there was no change in the rankings of Mahesh Bhupathi (5), Leander Paes (8) and Rohan Bopanna (10).
The pair of Paes and Bhupathi is at number four in the team ranking. Bopanna and Aisam-ul-haq Qureshi are unchanged at number six.