[Resolved]  Idea Cellular — I want to close my postpaid connection permanently

Address:

Bhopal, Madhya Pradesh, 462026

One of agent from idea cellular company give me idea postpaid sim with false promises, i not even activated the sim yet, still company is sending me messages of outstanding bill. I also went to idea store to close my connection and filled the form of closing postpaid connection permanently and paid the closing charges which they asked. I have receipt of that with me. But still idea cellular company had filed a court case against me in delhi court and wanted to recover charges of their services with i m not even used for single time. Help line no. Are not helping me, they too not closing my account. I need to know if i not even activate the sim card and not even registered for start the service how can i be liable to pay for bill, which i not even requested.
Kindly help me please and give me guidance to whom should i contact.