customer care service

dear sir
I have balance in my airtel prepaid mobile rs.64.67 on saturday but without subscribing chart i was deducted 30 INR on sunday. Justa i have rcvd a message you have debit the amount of Rs. 30. And also iam unable to talk to coustomer care executive. I hereby request you to pls credit the 30 rs in my prepaid a/c. mob no. 9601367090

thks