Before revision: Operating under the Ministry of Culture, Government of India, it is headquartered in Kolkata and has branches in Port Blair (Andaman and Nicobar) , Shillong, Dehra Dun , Udaipur, Nagpur (with Central Library of AnSI) , and Mysore ( established in 1960) .Anthropological Survey of India (ASI), Mysore .
After revision: Operating under the Ministry of Culture, Government of India, it is headquartered in Kolkata and has regional centres in Port Blair (Andaman and Nicobar) , Dehra Dun , (AndamanNicobar Islands Regional Centre), Shillong (North-East Regional Centre)(North-West Regional Centre), Udaipur (Western Regional Centre)(Central Regional Centre)Southern Regional Centre) (, along with some small regional sub-stations Nagpur (with Central Library of AnSI) , and Mysore ( established in 1960) .Anthropological Survey of India (ASI), Mysore .