Friend Mobile Balance Tricks

Now you can know your friends mobile balance only in Airtel.... To know your friends mobile balance just follow these steps:- dial 12140 and select your language(Tamil/ Hindi/English) then press 1 2 After that type your friends mobile number(10 digit) then press 1 to confirm your friends number And it will ask to enter pin code enter 1234 and press 3 to know balance...