The Sattriya dance form was introduced in the 15^th century AD by the great Vaishnava saint and reformer of Assam, ___________ .

Mahapurusha Sankaradeva

The correct answer is Option (2) - Mahapurusha Sankaradeva

Mahapurusha Sankaradeva, a 15^th-16^th century polymath from Assam, is credited with introducing and systematizing the Sattriya dance form. He used ancient texts and incorporated elements of drama and expressive dance (nritta and nritya) to create this form as a way for community religious art and emotional devotion to Krishna.