1. Department of Chemistry, Prabhu Jagatbandhu College, Howrah, India
2. Department of Chemistry, Howard University, Washington, DC, USA
3. Departament de Química, Universitat de les Illes Balears, Baleares, Spain
4. Department of Chemistry, Jadavpur University, Kolkata, India
5. Department of Chemistry, Heritage Institute of Technology, Kolkata, India