With reference to the history of Indian rock-cut architecture, consider the following statements: The caves at Badami are the oldest surviving rock-cut caves in India. The Barabar rock-cut caves were originally made for Ajivikas by Emperor Chandragupta Maurya. At Ellora, caves were made for different faiths. Which of the statements given above is/are correct? (a) 1 only (b) 2 and 3 only (c) 3 only (d) 1, 2 and 3