1. Department of Chemistry, S. S. Margol College of Arts, Science and Commerce, Shahabad, Kalaburagi, Karnataka, India
2. Department of P.G. Studies and Research in Chemistry, Gulbarga University, Kalaburagi, Karnataka, India
3. Department of Biochemistry, Mangalore University, P.G. Centre Chikka Aluvara, Karnataka, India
4. Department of Chemistry, Government First Grade College Shahapur, Karnataka, India