How to Know Friend’s Balance in Airtel

Many of the peoples say that they don’t have balance to call when asked to call.If you think they are telling lie?Then this may help you to find the friend’s account balance.
Note:This trick is tested by myself and worked without any problem and don’t know about other states.This trick is only for Tamil NAdu users.So don’t know about other states.
Follow the procedure given below to know friend’s account balance:
First dial 12140 from your Airtel mobile number. When the call get connected and select your language if you haven’t changed it already.
After the IVR language is selected then press 2.
Now enter your your friend’s mobile number without any “0″ or +91 at the beginning of the number (enter only 10 digit mobile number).
The system replies the mobile number which you entered.Just confirm it by pressing 1.
It will surely ask for the PIN of entered mobile number.Enter the PIN as 1234.This step is more important.
If you finished all the above steps now finally press 3 to find the balance of any Tamil Nadu Airtel number.