Nationally Important Heritage Sites (NIHS) in India are designated by the Archaeological Survey of India (ASI) as sites that are deemed to be of national importance and are protected by the ASI under the Ancient Monuments and Archaeological Sites and Remains Act, 1958. These sites include archaeological sites, monuments, rock art sites, caves, temples, and other cultural and historical landmarks that are considered to be of great significance to the country's history and heritage. Some examples of NIHS in India include the Ajanta and Ellora caves in Maharashtra, the Hampi ruins in Karnataka, the Khajuraho temples in Madhya Pradesh, and the Konark Sun Temple in Odisha.