Letter Writing: Complete Notes for Formal & Informal Letters with Format, Examples & Exercises

LETTER WRITING – COMPLETE NOTES
(FORMAL + INFORMAL)
Perfect for Class 6–12 and general learners.




SECTION 1 — INTRODUCTION TO LETTER
WRITING
What is a Letter?
A letter is a written message used to communicate thoughts, information, requests, complaints,
feelings, or instructions to another person or organisation.

Letters are divided mainly into Formal and Informal.




TYPES OF LETTERS
1. Formal Letter

Used for official purposes:​
✓ Complaints​
✓ Requests​
✓ Applications​
✓ Enquiries​
✓ Letters to the Editor​
✓ Business letters​
✓ School-related letters

2. Informal Letter

Used for personal communication:​
✓ Friends​

, ✓ Family​
✓ Relatives​
✓ Acquaintances




SECTION 2 — FORMAL LETTERS (FULL
EXPANDED NOTES)
Purpose of Formal Letters
●​ To inform or request​

●​ To complain​

●​ To apply for leave​

●​ To enquire​

●​ To submit suggestions​

●​ To address authorities​




FORMAT OF A FORMAL LETTER
Sender’s Address
[Leave one line]
Date
[Leave one line]
Receiver’s Name/Designation
Receiver’s Address
[Leave one line]
Subject: ____________________
[Leave one line]
Salutation (Sir/Madam),