The Customer Relation Officer,
___________ (Company’s name),
___________ (Company’s address)
Date: __/__/____ (date)
Respected Sir/ Madam,
Through this letter, I would like to inform you that I _______ (Name) a resident of ____________ (mention location) and I have been using your services for last ____________ (mention duration).
Respected, I would like to inform you that I am using caller tune feature on my mobile number ________ (mobile number), however, I no longer wish to continue availing of this feature post the current billing cycle. Hence, I request you to kindly deactivate the caller tune service at the earliest and revise my monthly rental accordingly.
I shall be highly obliged for your quick confirmation. You may contact me at _________ (mobile number).
__________ (Your name),
__________ (Contact details)