site year of excavation Leader of excavation Harappa 1921 Daya Ram Sahni, Mohenjo-Daro 1922 R.D. Banerjee, Chanhudaro 1931 N.G. Mazumdar, Kalibagan 1953 B.B. Lal, and A.N. Ghosh, Kot Diji 1955 Fazal Ahmad Khan, Lothal 1957 S.R. Rao, Surkotada 1972 J.P.joshi, 1990-91 R. S. Bisht