Question

format of a informal letter

Answer 1

I will send an image of informal letter.
like in picture,
Address
Date
Dear...
            BODY
Lovingly,
signature

Answer 2

INFORMAL LETTER: 
WRITTEN TO:PARENTS,FRIENDS,BROTHERS,GRAND PARENTS,BLOOD RELATIVES. 

THE STYLE AND FORMAT TO BE FOLLOWED OR CASUAL.
1)PLACE AND DATE.
2)SALUTATION(MY DEAR,DEAR ETC..)
3)MAIN BODY OF THE LETTER(3 OR 4 PARAGRAPHS) 
4)SUBSCRIPTION(YOURS SINCERELY,YOURS AFFECTIONATELY)