South Africa's defeat in their Champions Trophy opener has propelled second-placed India to the top of the ICC's one-day rankings.
India, scheduled to play their opening match of the Champions Trophy on September 26 against Pakistan, have 126 ratings points.
South Africa slumped to the third spot after losing last night to Sri Lanka.
South Africa's loss also helped Australia, which gained a place to be second with 125 ratings points.
Sri Lanka occupy the fourth spot, while Pakistan are in the fifth position.
The ICC rankings are set for more changes in the next few days as the Champions Trophy continues.