A tradinational musicial instrument 'pena' is related to which of the following states?

Manipur

The correct answer is Option (4) → Manipur

The traditional musical instrument 'pena' is associated with the state of Manipur. It's the oldest musical instrument of the Meitei people and is used in folk music, solo performances, group performances, and as an accompaniment for Manipuri dance and Lai Haraoba festivals.