International Roaming STV for Bhutan.(This pack is valid for roaming into network of M/s B Mobile in Bhutan.).data/ Data Charges:- 500MB after free data to be charged at Rs.1.3/MB.Free Voice/ Voice charges:175 Free Mins to India and LOCAL outgoing and incoming.50 Free SMSs.call back to India(Rs/min):- Rs 10.4/min.Outgoing Local call (Rs/min):- Rs 10.4/min.Outgoing International (Rs/min):-Rs 54.6/min.Incoming call (Rs/min):- Rs 4.1/min.Outgoing SMS (Rs/SMS):-Rs 2/SMS.To avail International Roaming services it is is mandatory to replace Normal SIM with International Roaming SIM and recharge of IR STV 57 or 167.