1. Department of Chemistry, Faculty of Science, Khaja Bandanawaz University, Kalaburagi-585104, Karnataka, India
2. Department of Studies in Chemistry, Karnatak University, Dharwad-580003, Karnataka, India
3. Department of Microbiology and Biotechnology, Karnatak University, Dharwad-580003, Karnataka, India
4. Department of Chemistry, Karnatak Science College, Dharwad-580001, Karnataka, India