Letters to relatives are called -

Correct option is B

Letters to relatives are categorized as personal letters, as they are informal and written to maintain personal connections. These letters typically include topics of family, affection, and everyday life.
Information Booster:
1. Personal letters are informal and conversational in tone.
2. They aim to strengthen relationships and share personal updates.
3. These letters often reflect emotions and individual concerns.
4. They contrast with business or official letters, which follow a formal structure.
Additional Information:
· (a) Business letters: Used for professional or commercial correspondence.
· (c) Official letters: Formal and written to authorities or organizations.
· (d) Political letters: Concern political matters, not family relations.