आप कैसे हैं

It means “how are you?” and is a respectful way to ask about someone’s well-being.

Say it to a man or a mixed group when a respectful form of address is appropriate.

Use आप कैसी हैं. The word कैसी agrees with a female addressee.

The respectful pronoun आप takes the plural verb form हैं, even when it refers to one person.

It is respectful and works with strangers, elders, teachers, customers, and in professional settings. It can also be neutral in relationships where respect is customary.

तुम कैसे हो is a familiar form used with a man or mixed group, while तुम कैसी हो is used with a woman.