My son, who is studying in Manipal, came home to Hyderabad during the winter break. On returning to Manipal, he found his outgoing calls blocked because he had not used the sim for 3 weeks! Obviously, he did not use for 3 weeks because he was in Hyderabad and was using his Hyderabad Airtel prepaid sim. It is pretty easy for Airtel to verify that he was indeed using his Hyderabad SIM on these dates since that was also airtel. However, airtel...
