Explanation:

- Priyadarshini Govind is an acclaimed classical dancer who specializes in Bharatnatyam.

- The 'Nritya Kalanidhi' title is awarded by The Music Academy to remarkable dancers for their contribution to Indian classical dance.

- Bharatnatyam is a major Indian classical dance form originating from Tamil Nadu, known for its fixed upper torso, bent legs, and intricate footwork.

- Kathakali is a classical dance-drama from Kerala, noted for its elaborate costumes and expressive mime.

- Kuchipudi is another classical dance from Andhra Pradesh, with its roots in religious ritualism.

- Kathak comes from North India, characterized by its intricate footwork and spins.

Correct Answer: Option 3 - Bharatnatyam