Saying that it is a trade secret, the FAS refused to mention the revenue in question.
Recently, Yandex has been losing market share to Google who is strongly positioned on devices running Android.
He also said that the regulator will be providing detailed instructions on solutions to Google within 10 days.
However, Google Russia said that they would examine the decision and until then refused to comment.
Since its founding in 2000, Yandex has dominated the Russian market.
It also offered its own map and traffic-tracking services and has recently entered the web advertising market.
source: www.techworm.net