1.First dial 543213366 and select your language,when you confirmed your free airtel radio trial subscription you will be informed through message!
2.After you got the confirmation message dial 543213 to enjoy free airtel radio for 30 minutes!
3.When your trial subscription completed deactivate the service by dialing 54321300!
4.Again activate the service=use it =deactivate it!This trick is working maximum states!
Enjoy.{AIRTELTRICKZ.MOBIE.IN}