1. Department of Studies in Chemistry, Mangalore University, Mangalagangothri, Karnataka, India
2. Chemical Crystallography Laboratory, Department of Physics, University of Jammu, Jammu, Jammu & Kashmir, India
3. Department of Industrial Chemistry, Mangalore University, Mangalagangothri, Karnataka, India
4. Department of Chemistry, Centre for Post Graduate Studies and Research, St. Agnes College, Mangalore, Karnataka, India