What red pepper called in Hindi?

There are two main possibilities for "red pepper" in Hindi, depending on what kind of pepper you're referring to:

* Lal mirch (लाल मिर्च): This is the most common term for chili peppers, including the red ones.

* Shimla mirch (शिमला मिर्च): This refers to bell peppers, which come in various colors including red.

So, if you are talking about a chili pepper, "Lal mirch" is the right term. If you are talking about a bell pepper, "Shimla mirch" is the appropriate term.