It’s in the imperative form.
The Sanskrit translation of this phrase with phonetics would read: Nṛtyata Na Kopi Paśyatīva
In normal English, it would be written like this: Nritayat Na Kopi Pashyateev.
I hope you will like phrase as it is commonly used to encourage people to dance as they like it and enjoy it irrespective of what people think about them. Feel free to write to us through the comment section if you happen to have a question or feedback.