AIRTEL CALL CHARGE REDUCING TRICK

Here is the Trick For AirTel Customers to enjoy low call rate. 
Airtel-Airtel=30ps/min,Other=40ps/min,STD=50ps/min. 
To activate this Trick dial: 51570(free) 
then select language then 






press 1. Offer activated successfully. 








Note;I can't sure it work in all states