Idea Cellular — Missusing my id by someone

a postpaid number ([protected]) is running on my id but this is not purchased by me & Now his bill come to my home after one year of starting this number. this number is start without any verification by me or my family member. I complained about this matter in your service centre but they do not help me.
so I have requested to you please deactivate this number right now otherwise I register a F.I.R on Idea company within two days
my detail
Name- Sunita chhimpa
Occupation - clerk in S.B.I Bank Bathinda (Punjab)
My Email Id-sunita.[protected]@sbi.co.in

please give me reply as soon as possible

Dear Customer,

We regret the inconvenience caused to you. We have noted your concern. We will get back to you shortly.

Thanks & Regards,
Customer Care, Idea Cellular

Dear Customer,

We tried contacting you on your Idea number but we couldn't reach you. Hence, we request you to inform us the convenient date & time to contact you and have your issue resolved.

Thanks & Regards,
Customer Care Idea Cellular