International Roaming STV for Singapore.data charging at the rate Rs .5 per MB+30 minutes of International Roaming calls which include outgoing Local calls call back to India and incoming calls only. The tariff is as follow:- call back to India @ Rs 10.9 per minute outgoing Local call at the rate Rs 4.6 per minute Outgoing International at the rate Rs 52.8 per minutes Incoming call at the rate Rs 2 per minute outgoing SMS at the rate Rs 2 per SMS. This STV is valid for roaming into network of StarHub in Singapore.