A congratulation letter is written to convey your best wishes to someone who has experienced a great moment in his/her life. This type of letter is written for business as well as personal purposes. You have to be prompt in writing the letter as time is an important factor during celebration. The letter has to be simple and concise.
In the beginning of the letter you have to congratulate the person for his/her accomplishments in professional or personal life. The letter should have a positive tone. The reader should feel happy after reading the letter. This sort of letter is written to congratulate someone for his/her graduation, engagement, first job, promotion, etc.
On behalf of the entire team of Rosewood Publications, I would like to heartily congratulate you on your recent graduation from Texas University with Masters in Journalism. That you stood first in the department of Journalism is great news for all of us here.
I was delighted to read about your successful completion of the course in the newspaper. We felt great that you were part of our team. As an intern, you contributed immensely in the company. You're writing and reporting skills and confidence are really good. The understanding of situation and dealing according to the needs were two important factors in your news report. You are committed and have great work ethics, which will help you to succeed in your professional life. I hope that working with us has helped you and contributed to your success in a small way.
The entire company is wishing you all the best for your future. Congratulations once again!