The police have asked the Archaeological Survey of India (ASI) to increase the number of CCTV cameras at the world heritage sites of Ajanta and Ellora Caves in Maharashtra's Aurangabad to increase security, a senior official said on Friday.?The Aurangabad Rural police had conducted a security audit at these sites last month and recently wrote to the ASI, Superintendent of Police Maneesh Kalwaniya told PTI.?