Explanation:

- Leshalaptu' is indeed a traditional folk dance of the state of Nagaland.

- It is performed by the Phom Naga tribe, celebrating community togetherness and cultural heritage.

- Nagaland: Known for its rich tribal culture and diverse traditional dances celebrated during festivals.

- Kerala: Popular for classical dances like Kathakali and Mohiniyattam.

- Goa: Known for its vibrant dance forms like Fugdi and Dekhni, reflecting its Portuguese influence.

- Karnataka: Famous for classical and folk dances like Yakshagana, a traditional theatre form.