What dish do you use patna rice for?

"Patna rice" doesn't seem to be a specific type of rice. It's possible that you're referring to a dish or a regional variation that uses a particular type of rice, but the name "Patna rice" itself isn't a common term in the culinary world.

To help me understand what you're looking for, could you please provide more context?

For example, you could tell me:

* Where did you hear the term "Patna rice"? Was it from a recipe, a restaurant menu, or somewhere else?

* What kind of dish were you thinking of? Was it a sweet dish, a savory dish, or something else?

* Do you know anything else about the dish? For example, what ingredients might it include?

With more information, I can hopefully help you find the dish you're looking for.