Aircel — Failure to Deactivate 3G Service

This is to bring to your attention that I have not been able to deactivate 3g service since I first tried to in Feb. 2013. Whenever I send a text to 121 I get the following reply each and every time : " Your request could not be processed. Your previous request is pending." I am sick of this incompetence of yours. This is simply unacceptable, terrible negligence on your part. I have talked to the customer care executives several times and even mailed my complaint. But my problem has bot been resolved till now. I request you to take some initiative in order to solve the problem. I want 3g deactivated on my no. i.e., [protected]. This is my registered email id. <[protected]@live.com>