Airtel
Charged Rs. 20 per day without any subscription

Hello,

I had been using airtel prepaid for 2.5 years.but from the last few days i received the message like

"Thank you for subscribing to igmobi.com. you have been charged rs 20 per day. without my subscription my they have charged 20 rs per day..please do the needful correction or i will change my service.