The Archaeological Survey of India (ASI), under the Ministry of Culture, is the premier organization for the archaeological researches and protection of the cultural heritage of the nation. Maintenance of ancient monuments and archaeological sites and remains of national importance is the prime concern of the ASI. Besides it regulate all archaeological activities in the country as per the provisions of the Ancient Monuments and Archaeological Sites and Remains Act, 1958., Ancient Monuments and Archaeological Sites and Remains Rules, 1959 and Ancient Monuments and Archaeological Sites and Remains (Amendment and Validation) Act, 2010. It also regulates Antiquities and Art Treasure Act, 1972. For the maintenance of ancient monuments and archaeological sites and remains of national importance the entire country is divided into 36 Circles. The organization has a large work force of trained archaeologists, conservators, epigraphist, architects and scientists for conducting archaeological research projects through its Circles, Museums, Excavation Branches, Prehistory Branch, Epigraphy Branches, Science Branch, Horticulture Branch, Building Survey Project, Temple Survey Projects and Underwater Archaeology Wing.
At present,the Archaeological Survey of India is taking care for protection and preservation of more than 3675 centrally protected monuments and sites all over the country. There are 44 Site Museums under the jurisdiction of Archaeological Survey of India.