Question

(a)Give me some Informal letter topics

(b)Give me some Formal letter topics ​

Answer 1

$\huge\sf\pink{Informal\:letter}$

• Write a letter to your friend asking her/him to attend your sister's marriage .
• Write a letter to your friend describing how you spend your summer vacation .

$\huge\sf\pink{Formal\:letter}$

• Write an application to your principal asking for 3 days leave
• Application to the principal of your school asking him/her to change your section giving a suitable reason.