Formal:
* "Ningalkku ethupole?" (നിങ്ങള്ക്ക് എങ്ങനെ?)
* "Saaritham?" (സാര്ത്തം?)
Informal:
* "Ethupole?" (എങ്ങനെ?)
* "Nalla?" (നല്ല?) - This literally means "good?" but is used as a friendly way to ask "How are you?"
* "Saaritham?" (സാര്ത്തം?) - This is a casual way to ask "How are you?"
Note:
* "Ningalkku" (നിങ്ങള്ക്ക്) is the polite form of "you" used for addressing someone with respect.
* "Saaritham?" (സാര്ത്തം?) is a more general way of asking "How are you?" but it is also used as a greeting.
You can choose which phrase to use based on the context and your relationship with the person you are talking to.