How to get free recharge of Rs.100 :-
Follow these steps below and get yourself a free recharge :-
First thing is activate 3G by sending ACT 3G TO 121
Next dial *566*6# from your Airtel number.
If you get message as " you will get a coupon if you have recharged with 100rs or more, within 48 hours", then you will get 100rs in your account.
Now you will be successfully recharged with Rs.100 on your cell.
Enjoy free recharge.
I dont know whether any charge is there for activating 3G ..
i received it in some site and posting it…Try your luck..