Who among the following ruler built the Dasavatara and the Ravana-ka- khai at Ellora?

Q. Who among the following ruler built the Dasavatara and the Ravana-ka- khai at Ellora?
Answer: Dantidurga
Notes: The founder of Rashtrakuta empire,Emperor Dantidurga built the Dasavatara and the Ravana-ka- khai at Ellora.