Advanced Instrumentation Research Facility (AIRF) , Jawaharlal Nehru University. & Fulbright-Nehru Postdoctoral Fellowship by the U.S. Department of State at the Rensselaer Polytechnic Institute, USA
Delhi Technological University
IIT Roorkee
Department of Physics, Gujarat University, Ahmedabad
Oulu, North Ostrobothnia, Finland
Presently working as Joint Director, Defence Laboratory, DRDO, Jodhpur. Visiting Fellow at M/s ThermoAnalytics INC, Calumat, MI, USA
MADAN MOHAN MALAVIYA UNIVERSITY OF TECHNOLOGY, Gorakhpur
Department of Physics, University of Lucknow
Department of Physics, Netaji Subhas University of Technology, New Delhi-India
Institute of Chemical Technology, Matunga, Mumbai
University of Jammu
Govt. Dungar College Bikaner