1. Department of Studies in Chemistry, Mangalore University, Mangalagangothri, India
2. Department of Physics, School of Electrical and Electronics Engineering, SASTRA Deemed University, Thanjavur, India
3. Department of Studies in Industrial Chemistry, Mangalore University, Mangalagangothri, India
4. X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia
5. Department of Chemistry, Centre for Post Graduate Studies and Research, St Agnes College, Mangalore, India