Choose the best option- 

In complimentary close of a letter, we write ________.

signature, name and post

The correct answer is Option (3) - signature, name and post

A "complimentary close" in a letter is the polite phrase used at the end of the letter to conclude the message, such as "Sincerely," "Best regards," "Cordially," or "Yours truly," which is written before the signature and indicates the sender's respect towards the recipient

The complimentary close of a letter typically includes:

1. Signature: The handwritten signature of the sender.
2. Name: The typed or printed name of the sender (often below the signature).
3. Post/Designation: The sender's title or position, if applicable.