1. Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur-603203, Chengalpattu District, Tamilnadu, India
2. Department of Physics, SRM Valliammai Engineering College, Kattankulathur-603203, Chengalpattu District, Tamilnadu, India
3. Department of Chemistry, Thiruvalluvar University, Vellore-632115, Tamilnadu, India