Idea Cellular Ltd. — Refund payment

Address:

Faridabad, Haryana

Sir,
I was idea telecomunication customer last two year,But now due to some problem i port my postpaid number idea to airtel.On the time of closing my idea account some security deposite of 1000 INR & 250 INR balance on idea telecomunication.The above stated my deposite amount is not refund to me till now (19/11/2012).or Not get any update from idea after several reminder or complaints.
Idea team commited to me two times to refund the same amount.
First date:-26/10/2012.
Second date:-19/11/2012
Here below find attached copy of my final bill in photo formet at the time of account closed.