Airtel Free 3G (Working)

Hi friends I have a great Tricks for Airtel 3G User.

First activate Airtel 3G ( if you you use 2G SIM)

Then send SMS 3G to 121

You will receive a SMS  that :-
3G service is already active on your number. to choose your plan
replay with 1.
1. Data Plan
2. Deactivate 3G

Choose 1 for DATA PLAN
then Choose 13 (it may change for different circle)  for 4 GB free AIRTEL 3G DATA
You will get 4096 MB of DATA and Rs. 1.00 Main balance for free.

I have check this with 0 balance

Check 3G Data Balance by dialing:-  *123*11#