Idea Cellular Ltd — automatic activate job alert

On 14th april,2011 automatic activate job allert service and debit my account balance for Rs 30 without my permission or request activite job allert service inseted repited call and request to exucitive not refund my balance.exucutive told me that you dail for job allart but on 14/ 04/2011 no any record for dail in my mobil and i have not dail any such service number pls refund my balance in my idea chit chat account