Airtel is the worst service provider in India. Without any activation of service from the customer side, they activate that service and charged for the same. To deactivate the service you have to call on their call center (for which they charge too!) and after calling they don't deactivate that service. This has happened with me for more than 4 to 5 times and they are not compensating for the charge levied on me for that service. I am fed up of calling the pathetic customer care service. And now my customer care is blocked. Am continously trying their customer care continuously but all in vain.