Georgia State University, Atlanta, USA and IIT Chennai (February 2012)
Relativistic and Many Body Effects on atomic photoionization and collision processes
Western University of Ontario, Canada (November 2013)
Advanced treatment technologies for waste streams
University of Colombo, Sri Lanka & MultiChem Exports Ltd. Sri Lanka
Production and marketing of industrially important (Amylase, Cellulase for textile processing)
Western University, Ontario, Canada and Sathya Sai Institute of Higher Learning, Puttaparthi
Novel thermoelectric materials to develop low-temperature sensors and applications in the Energy Sector
Space Physics Research Laboratory, Embry Riddle Aeronautical University, Florida, USA
Electro-Optical Space Remote Sensing Research
Ohio State University, Columbus, USA
Atomic Physics, applications in Astrophysics
Biomedical Physics and Cancer Biology
Western University, Ontario, Canada
Physics Education, Pedagogy