Writing a formal letter is an art because it is in much demand these days. Some examples are official letter format for request sometimes it is official letter format to government,
Write a letter to Ms/ Usha Sales Limited, Mumbai, requesting them to send you the price list of the models of sewing machines available with them. Also, inquire how soon they can execute your order. Sign yourself as Jack.
CU 104, Pitampura,
M/s Usha Sales Limited
Subject: For the price list of sewing machines.
We need twenty new Usha sewing machines. You are requested to kindly send us the price list of various models of Usha sewing machines available with you. Please mention the rates of each model including all taxes.
We need these machines urgently. So you are requested to inform us how soon you can deliver the goods.