1. Department of Chemistry, St. Joseph’s College, Arakulam, India
2. Department of Chemistry, Sree Sankara Vidyapeetom College, Valayanchirangara, Irapuram, India
3. Department of Chemistry, Newman College Thodupuzha, Thodupuzha, India
4. School of Chemical Science, Mahatma Gandhi University, Kottayam, India