how to check international data balance in airtel?
1) Dial *123# to Check Main account Balance in Airtel. 2) Dial *123*1# to Check Balance of Messages (SMS) in Airtel. 3) Dial *123*2# to Check Balance of Isd to Singapore/Malaysia in Airtel. 4) Dial *123*3# to Check Balance of Local Airtel to Airtel call.