Today i got a call from some unknown number, since I was in a class I didnt pick it up .After the class, I called back on the number and it turned out to be a airtel number advertising about the hello tune feature.So, I just disconnected. Some time later, I got 2 messages from airtel stating that 45 rs have been deducted from my balance for the activation of the hello tune feature which I didnt activate. Immediately I called up their customer care number, and I complained about this. The person on the other end just disconnected.When I... read full review »