Sania reached the quarter-finals of the singles event and won the doubles title along with Romania's Edina Gallovits in China, last week.
However, India's men's singles star Somdev Devvarman slid to 117, a loss of four places.
Rohan Bopanna though marginally improved his singles ranking by reaching 473rd, a gain of six slots. He was static on 19th in the doubles list.
Leander Paes (9) and Mahesh Bhupathi (13) also had their doubles rankings unchanged.
India's Davis Cup team yesterday pulled off a dramatic 3-2 win over Brazil in the play-off to retain its place on the elite World Group.