1. Department of Studies in Chemistry, Karnatak University, Dharwad, India
2. Department of Chemistry, School of Engineering Technology, Jain University, Bangalore, India
3. Department of Chemistry, Janata Shikshana College, Dharwad, India
4. Karnatak Science College, Dharwad, India
5. Department of Industrial Chemistry, Mangalore University, Mangalagangothri, India