Airtel Free Caller Tunes for 1 Year Hack.

Lots' of people had tweeted requesting lot of hacks from Free Recharge to Free Calling.  Hope you freaks do understand that tricks don't exist till now. BTW in this post I do come up with a trick that lets you activate Airtel Hello tunes, not exactly free. But they 'll charge you only 30 Rs. for the year. The Trick is very Simple just dial 543211800 with balance close to Rs. 1 your balance 'll be deduced to -30, then recharge your account and enjoy 1 year of Caller Tunes.