After the completion of free data with the above given plans you will be charged 1p/10KB for both 2G and 3G internet. Before the 90% reduction, normal tariff rates were 10p/10KB. This reduction is for those Docomo users who exceed their internet data limits. These reduced tariff rates are also applicable for national roaming customers. New Tata Docomo users + Existing Docomo users can enjoy this benefit.