1. Department of Physics M. S. Ramaiah Institute of Technology Bangalore Karnataka India
2. Autonomous, affiliated to Visvesvaraya Technological University Belagavi Karnataka India
3. Department of Mathematics M. S. Ramaiah Institute of Technology Bangalore Karnataka India
4. Department of Inorganic and Physical Chemistry Indian Institute of Science Bangalore Karnataka India
5. Department of Physics B V B College of Engineering and Technology Hubli Karnataka India