Introductory greeting in a letter is

Correct option is B

The salutation is the introductory greeting in a letter. It addresses the recipient and sets the tone for the message. Common salutations include "Dear Sir/Madam," "Dear [Name]," or simply "Hi." The salutation comes after the heading and before the body of the letter.
Information Booster:
• The salutation varies depending on the formality of the letter.
• Formal salutations include "Dear Sir/Madam," "To Whom It May Concern."
• Informal salutations include "Hi [Name]," "Hello [Name]."
• Proper salutation establishes respect and connection with the recipient.
• Essential in both personal and business correspondence.
Additional Knowledge:
• Heading: Contains the sender’s address and date, appearing at the top of the letter.
• Body of the letter: The main content of the letter, where the message is communicated.
• Subscription: The closing part of the letter, including phrases like "Yours sincerely" or "Yours faithfully."