1. Manipal Centre for Natural Sciences (Centre of Excellence), Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
2. Kabi Sukanta High School, Darjeeling, Siliguri-734010, West Bengal, India
3. MARS, Texas A&M University at Galveston, Galveston, 200 Seawolf Pkwy, Galveston, TX 77554, USA
4. Department of Chemistry, University of North Bengal, Siliguri 734010, India
5. Centro Internacional de Ciencias A.C., Avenida Universidad 1001, 62131 Cuernavaca, Mexico