Explanation:

- Padma Subrahmanyam is a renowned Indian classical dancer known for her contribution to Bharatanatyam.

- Bharatanatyam, from Tamil Nadu, is characterized by its fixed upper torso, bent legs, intricate footwork, and expressive hand gestures.

- Kathak originates from Northern India and is recognized by its intricate footwork, spins, and storytelling through dance.

- Mohiniyattam is a graceful dance form from Kerala, known for its gentle, flowing movements.

- Manipuri, from Northeast India, is celebrated for its soft rhythms and lyrical movements, often depicting themes from the life of Krishna.

Your answer, option 4: Bharatanatyam, is the correct choice.