Bhabha Atomic Research Center, Mumbai, India
Institute of Physics, J.Dlugosz University, Czestochowa,Poland
Institute of Physics, University of Tartu, Estonia
Department of Physics, University of Jammu, Jammu
Central University of Kerala, Kerala
University of Burgundy, France
Northeastern University, Boston, USA
Nanotechnology and Catalysis Research Center, Universiti Malaya, Malaysia
Deptt. of Applied Optics and Photonics, University of Calcutta, Kolkata
Osmania University, Hyderabad
Government Autonomous College, Rourkela
Kakatiya University, Vidyaranyapuri, Hanamkonda, Warangal
St. Xavier's College (Autonomous), Ahmedabad
Department of Physics, Kannur University, Kannur, Kerala
Anand Niketan College, Warora