dear friends here is the trick for selecting a free Hello Tune
Airtel Hello Tune Trick
Dial 543211 and Reach till Manage my Subscription.
Then subscribe for one year pack,make sure you have balance of atleast 55 then only you can use this service i mean u can activate 1 year pack.
Your balance will become -30.
Thats all.
You save rs145 + 1 year hello tune.