Idea prepaid connection
Automatically active DT service

Dear Sir,

I my mobile no. is 91-9887212497. My name is Mohd. Salim Ansari. in my mob. came call from idea service for activate dialer tone. i m sure i dind't select option. after that call she saying, that Thank u for active service.

I want to know that how is it possible. i dont want any service from idea. (Dialer tone, ringtone, etc.)

Plz solve this my problem.