Format of a Letter

[Sender Address]

[Space 1 line]

[Date]

[Space 1 line]

[Receiver Name]

[Receiver Address]

[space 1 line]

[Subject]

[space 1 line]

[Dear Reader when we don’t know about Reader name and post

OR

Dear Sir /Madam

OR

Dear Manager

Dear {Name } ]

For Formal

[Place Respectable example Respectable Sir  ]

[space 1 line]

[Space Tab] [1st paragraph Introduction of  yourself or Company]

[space 1 line]

[Space Tab] [2nd paragraph Story of issue]

[space 1 line]

[Space Tab] [3rd  paragraph Conclusion]

Your Respectfully 

[Sender Name]

[Address]