1. Department of Studies in Environmental Science, University of Mysore, Manasagangothri, Mysore-6, India
2. Department of Studies in Environmental Science, University of Mysore, Manasagangothri, Mysore-6, India, Faculty of Environmental Health Engineering, Kurdistan University of Medical Science, Sanandaj, Iran
3. Department of Studies in Chemistry, University of Mysore, Manasagangothri, Mysore-6, India
4. Department of Polymer Science and Technology SJCE, VTU, Mysore-6, India
5. Department of Chemical Engineering Faculty of Engineering, Mahidol University, 25/25 Salaya, Phuttamonthom 73170, Thailand
6. Center of Excellence of Structural and Chemical Characterization International Advanced Research Center for Powder Metallurgy and New Material, Balapur PO, Hyderabad 500005, India
7. Department of Studies in Geology, University of Mysore, Manasagangothri, Mysore-6, India;, Email: kbyrappa@gmail.com