1. Department of Pediatric and Preventive Dentistry Manipal College of Dental Sciences, Mangalore, Affiliated to Manipal Academy of Higher Education Manipal India
2. Department of Oral Pathology, Manipal College of Dental Sciences, Mangalore Affiliated to Manipal Academy of Higher Education Manipal India
3. Physics department, Basic sciences and humanities, Madanapalle institute of technology & science Madanapally, Andhra Pradesh India
4. Department of Metallurgical and Materials Engineering, National Institute of Technology Surathkal India
5. Structural and Analytical Microscopy Section, Physical Metallurgy Division, Metallurgy and Materials Group, Indira Gandhi Center for Atomic Research Kalpakkam India