What does monta mean in Bengali?

"Monta" is not a word in Bengali. It's possible that you've heard a word that sounds similar but has a different spelling or meaning.

Could you please provide more context or clarify what you're looking for? For example:

* Where did you hear this word?

* What was the context?

* What do you think it might mean?

Knowing more will help me give you a more accurate answer.