Correct Answer: Bharatanatyam

Solution : The correct option is Bharatanatyam.

Rukmini Devi Arundale was a prominent figure in the world of Indian classical dance, particularly Bharatanatyam. She established Kalakshetra, an important cultural institution in Chennai, in 1936. While preserving the classical elements, she also introduced innovations in terms of costume, choreography, and music, which contributed to the art's evolution.