Letter to a friend, congratulating him on his success

Faiz Road, Karol Bagh
New Delhi.
18 January, 2018.

Dear Arun,
I am extremely happy to note that you have passed your examination creditably and secured very high marks. I congratulate you heartily on your brilliant success.

Dear Arun, it is all the result of your hard work. You deserved the credit. Please congratulate your parents on my behalf the credit. Please write which college you intend to join now.
With best wishes,

Yours sincerely,
Sandeep.