1. Department of Chemistry, Sai College, Sector 6, Bhilai, Chhattisgarh, India
2. Department of Chemistry, Govt. V. Y. T. PG. Autonomous College, Durg, Chhattisgarh, India
3. School of Chemistry & Physics, University of KwaZulu-Natal, Durban, South Africa
4. LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal