Institute of Archaeology, Archaeological Survey of India, New Delhi was established in 1985, by upgrading the School of Archaeology which was established in 1959 for imparting advanced training in multidisciplinary field of Archaeology, Epigraphy, Numismatics, Museology, Conservation, Antiquarian law, etc. The Post Graduate Diploma in Archaeology course, conducted in the Institute is of two years duration. It is conducted by the faculty members of the Institute and the Country's eminent archaeologists as guest lectures.