Which classical dance was introduced by the great Vaishnava saint and reformer of Assam?

The correct answer is Sattriya.

Step-by-Step Explanation:

1. Origin and History: Sattriya is one of the eight major classical dance forms of India. It originated in Assam in the 15^th century AD.

2. Founder/Reformer: It was introduced by the great Vaishnava saint, scholar, and social reformer of Assam, Srimanta Sankardev, along with his disciple Madhavdev.

3. Purpose: Sankardev created this dance form as a powerful medium for propagating the Ekasarana Dharma (Neo-Vaishnavite movement) through music, dance, and drama.

4. Tradition: The dance was preserved and nurtured for centuries within the Sattras (monasteries) of Assam, which is why it gets the name Sattriya. In November 2000, the Sangeet Natak Akademi officially recognized Sattriya as a classical dance form of India.