Amitava Raychaudhuri is an Indian theoretical particle physicist. He is the Sir Tarak Nath Palit Professor of Physics at the University of Calcutta and is the nephew of another renowned Indian physicist, Amal Kumar Raychaudhuri.
Amitava Raychaudhuri was born in Calcutta, India and did his schooling at the South Point School (India). He later attended Presidency College, Calcutta from where he obtained his B.Sc degree in Physics in 1970 and then went on to complete his M.Sc at Delhi University in 1973. He obtained his PhD. from the University of Maryland in Particle Physics under the supervision of Oscar W. Greenberg in 1977.
After postdoctoral works at the University of Oxford and the Tata Institute of Fundamental Research, Mumbai he joined the University of Calcutta in 1980 as a Lecturer in Physics, where he became Reader and then the Sir Tarak Nath Palit Professor. During his tenure at the University of Calcutta, he was a Scientific Associate (1983–84) at CERN, Senior Indo-US Fulbright Fellow (1988–89) at the Lawrence Berkeley Laboratory and Senior Marie Curie Fellow (1994) at the University of Cambridge. He was also a Visiting Professor (1998) at the Oklahoma State University. He was the Director of the Harish-Chandra Research Institute, Allahabad from 2005 to 2011 after which he has rejoined the University of Calcutta as faculty.