To
Address
______________
______________
______________

Dear Sir,

I regret to inform you that the radio that I purchased form you on ___________(date) have gone completely out of order in two months time. This was not expected from a concern of your repute. Since the article was sold out to me with one-year guarantee, I request you to kindly replace the radio or refund the price of _______________.

Yours faithfully,

Your Name
Address