Aircel — Wrong billing

Address:

Faridabad, Haryana

I had taken A connection (Mobile No [protected]) from aircel requesting for plan 149. A field boy collected document and assure that they will send me detail when his office will in role my request.
I got my connection activated. but when my first bill came I found they made plan 799. I requested Aircell to correct the bill and send me again. it was 16-july 2012. they replied as below"
Your request number is 1-[protected]. We would like to inform you that, we have investigated your concern and as per the records, you have applied for Simple value 799 plan for [protected]".
I requested them kindly send a copy of my request and I will pay the advice if My request is for 799 plan.
but Nothing happen.
again I received 2nd bill without any resolving problem. I stopped using connection and requested air cell again to correct the bill and I will pay the amount.
On 1st august again they given me another request no number is 1-[protected]. and promise me to resolve problem.

Nothing happened.
Today I got a call from [protected] advocate A.L.Malhotra saying "I have cheated the operator and a case is filed in court" and a call from [protected] person was saying he is police from badar pur police station.
kindly help me, advice me. I feel I have been cheated and Air cell is harassing me giving such threatening
my contact no is [protected].
Sanjay Kumar Mishra.,