Explanation:

- Rukmini Devi Arundale was a pioneering Indian classical dancer.

- She played a crucial role in reviving the Indian classical dance form, particularly focusing on its traditional roots.

- She founded the Kalakshetra Foundation in Chennai, promoting Indian arts and culture.

- Option 1 - Bharatanatyam: Rukmini Devi Arundale was indeed a Bharatanatyam dancer. She is most well-known for popularizing this dance form.

- Option 2 - Manipuri: This refers to a classical dance form from Manipur, not related to Rukmini Devi.

- Option 3 - Kathak: A dance form from North India, unrelated to Rukmini Devi.

- Option 4 - Kathakali: A classical dance from Kerala, also not associated with Rukmini Devi.