Tamil Nadu State Department of Archaeology
Tamil Nadu State Department of Archaeology (TNSDA) is the archaeology department of the Government of Tamil Nadu. Founded in 1961, the department is headed by an Indian Administrative Service (IAS) officer with the designation Commissioner for Archaeology and conducts archaeological excavations in the state of Tamil Nadu. Headquarters 
The department initially functioned from a rented house in Besant Nagar, Chennai. In 2003, it moved to its present premises - a newly constructed building named "Tamil Valarchi Valagam" in Halls Road, Egmore. Library 
The department has a library at its headquarters in Chennai with over 11,500 volumes on archaeology, anthropology, art, history, epigraphy and palaeography. It houses copies of important journals such as Indian Antiquary, Asiatic Researches, Sacred Books of the East, International Journal of Dravidian Linguistics and Journal of Tamil Studies. 