How do you say hello in hindustani?

The most common way to say "hello" in Hindustani (which encompasses Hindi and Urdu) is "namaste" (नमस्ते).

Here are some other ways to say hello in Hindustani, depending on the context:

* "kaise ho?" (कैसे हो?): This literally means "how are you?" and is a friendly way to greet someone.

* "salaam" (सलाम): This is a more formal greeting.

* "shalom" (शलॉम): This is a greeting used by the Jewish community in India.

* "subah bakhair" (सुबह बखैर): This is a greeting used in the morning.

* "sham bakhair" (शाम बखैर): This is a greeting used in the evening.

The specific greeting you choose will depend on the person you are greeting, the situation, and your level of familiarity with them.