Professional positions

• 1976-1982 Research Scholar, Homi Bhabha Centre for Science Education, TIFR, Mumbai
• 1982-1984 Visiting Fellow, Homi Bhabha Centre for Science Education, TIFR, Mumbai
  

• 1984-1985 Visiting Scholar, Centre for Studies in Science and Maths Education, University of Leeds, UK

• 1985 Visiting Scholar, Centre for Science and Maths Education, King's College London, UK

• 1985-2002 Fellow and Reader, Homi Bhabha Centre for Science Education, TIFR, Mumbai

• 1987-1988 Research Associate, Center for Precollege Education, New Jersey Institute of Technology, Newark, NJ, USA

• 1988-1989 Visiting Scholar, Center for Science and Math Teaching, Tufts University, Medford, MA, USA

• 1989 Visiting Scientist, Epistemology and Learning Group, Media Research Laboratory, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA

• 1998 Visiting Scientist, Institute for Math and Science Education, University of Illinois at Chicago, Chicago, Ill., USA

• 2002-2007 Associate Professor, Homi Bhabha Centre for Science Education, TIFR, Mumbai

• 2007- Professor, Homi Bhabha Centre for Science Education, TIFR, Mumbai

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