Airtel Hello Tune Trick Working 2014

Now It,s Time for Airtel hello tune This Trick is working all over tested by me.
so give try and comment.


Airtel Free Hello Tune Hack valid for 1 Month 

Dial *678*559# 

(After 1 Month complete then again activate this service)
Note- 1 Month complete hone se pehle deactivate kar dena .
And 7Days use HT Dial 5432110 (some times server busy but try after some times)