अनौपचारिक पत्र (Informal Letter) और औपचारिक पत्र (Formal Letter) में मुख्य अन्तर क्या है? What is the main difference between an Informal Letter and a Formal Letter?
Informal letters are always longer than formal letters
Formal letters follow a strict structure and impersonal tone; informal letters are personal, flexible, and conversational
Formal letters have no address; informal letters have full address
Both are identical in structure
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