Prof Chakraborty was the visiting professor of Pontifical Catholic University of Rio de Janeiro, Brazil ; Osaka Electro-Communication University, Japan ; Universite Laval, Quebec, Canada ; Friedrich Schiller University, Jena, Germany ; University of Padova, Italy ; International Centre for Theoretical Physics (ICTP), Trieste, Italy ; FOM - Institute for Atomic and Molecular Physics, The Netherlands to name a few.