Congratulations Letters

Congratulations letter as the name suggests, is written to congratulate a person and thus the tone of the letter is positive and enthusiastic. The reader must feel that you are actually happy with his/her success or happiness. Not only achievements like promotion or winning a competition, but occasions like anniversary, marriage, etc., also are situations wherein you should congratulate your near and dear ones. When in such situations you wish the person, it adds to his/her happiness.
This letter is used in both, formal and informal situations. The format of the letter thus changes as per the situations.