To,
The Customer Service Manager,
________________ (Name of the company),
________________ (Address of the company),
Date: __/___/_______ (date)
Subject: Complaint for receiving unwanted calls on __________ (contact number)
This is to inform you that my name is ____________ (name) and I am a resident of ____________ (address) and I am using your telecom services from the last _____ (years) having contact number ____________ (mention number).
I am writing this letter to bring to your notice that I have already registered my _________ (personal/commercial/other) contact number on a no-call list as I was receiving unwanted calls. In this regard, I would like to state that even after registration and confirmation of no-call list activation on my number, I am still receiving unwanted calls which is causing me inconvenience.
Therefore, I request you to look into this matter and take necessary action for the same. I hope that you will consider my request and resolve this issue at the earliest. If you need to contact me, you can contact me on the same number or you can contact me on ______________ (alternative number/any other).
Yours Sincerely,
______________ (Name),
________________ (Contact details)
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