Tata Docomo, the unified telecom brand of Tata Teleservices limited (TTl), has announced the revised roaming tariffs on national roaming effective May 1. Tata Docomo customers will now pay less for both local and STD calls on national roaming. On roaming, for all outgoing local calls, now the customer has to pay 80 paise/minute from the earlier Rs 1/min, and for STD calls it is Rs 1.15/min from earlier Rs 1.5/min. For incoming calls on roaming, the customer will be charged 45 paise/minute from the earlier 75 paise/minute.