During the Chennai Open, Somdev had suffered a shock first round defeat at the hands of unfancied 19-year-old compatriot Ramkumar Ramanathan, who leapt to 407th from 526th place.
Jeevan Nedunchezhiyan remained India's third highest ranked in singles at 314.
In the doubles, there was no change in the rankings of Indian players with Leander Paes being the highest-ranked at number 10, followed by Rohan Bopanna (13) and Mahesh Bhupathi (35)
