1. P. G. Department of Studies in Chemistry, Karnatak University, Dharwad, India
2. Department of Chemistry, Karnataka Science College, Dharwad, India
3. Department of Chemistry, Howard University, Washington, DC, USA
4. Department of Physics, School of Engineering & Technology, Jain (Deemed-to-be University), Bangalore, India
5. Department of Studies in Physics, University of Mysore, Manasagangotri, Mysuru, Karnataka, India