Concept:Baul dance is a folk dance form native to West Bengal, performed by the mystic Baul community.
Explanation:The Baul community combines elements of Hinduism, Sufism, and Tantra.
Their dance expresses devotion and spiritual joy, accompanied by songs.
Key musical instruments include the ektara, dotara, and duggi.
The Baul tradition was inscribed as a UNESCO Intangible Cultural Heritage in 2005.
This dance is integral to rural festivals in Bengal like the Joydeb Kenduli Mela and Poush Mela.
Other West Bengal folk dances include Chhau, Santhali, and Rabindra Nritya.
In contrast, Rajasthan is known for Ghoomar, Ladakh for Cham, and Maharashtra for Lavani.
Answer:West Bengal (Option D)