Congratulation letter is to be written by any one when he/she wants to wish someone on his achievement or success. These letters express your feelings towards receiver and show him that you are equally happy with his success. Congratulation can be both types formal as well informal depending upon the situation. Mr. James B. Sattler 960 Green Acres Road Kill Devil Hills, NC 27948 16 September 2010 Subject: POST GRADUATION CONGRATULATION LETTER Dear, Mr. James I am very pleased to hear that you have passed your post graduation in accounts this year with highest marks in university. You are the first and only person from our friends group who opted for post graduation. I had full faith in you that you will prove yourself and make all of us proud on you. Today I am literally feeling proud that you are my friend and you toped in the university. You have done all possible hard work to prove yourself besides facing financial crises you taken books from library and then you were making your ow...