Idea Cellular — Excess Bill Charged

Address:

Ahmedabad, Gujarat

Dear Sir
I have a complain against Idea Cellular Limited- Ahmedabad I have a Mobile Postpaid connection with M.No.[protected] in the name of my Husband Dharmesh Panagar after death of My husband this mobile phone is used by me.
I had given an application for my Excess Bill charges against WAP charges , before a year (24/8/2011)
I had visted so many times to its customer care center located at Ankur Cross Road-Naranpura Ahmedabad .they told me that the we will reverse this charges half yearly till date i have not received the credit for the same the amount of reversal is approx. Rs.675/- till date .again I call back to remind my application i found that the WAP connection was cancel on 24/7/11 in their system
They didn't reply even after 1 year
Now My problem is that what is this phenomenon to attain the customer. After giving application I am still waiting for result.

Now tell me what should I do in this case.
Thanks & Regards
Falguni Panagar
M-No.[protected]
[protected]@gmail.com