How To Properly...
First we have to write the letter or a particular what we are going to send.
After doing it we should send it to the correct person in correct contact address.
The contact Address refers to the Envelope ,in that section.
It follows by the name of the receiver,follows his/her father's name or guardian's
name,then the door number,follows the street name,follows the city with pin code,at last if needed the state name.