1. Department of chemistry, Institute of H. Science, Dr. Bhimrao-Ambedkar University, Agra, Uttar Pradesh, India
2. S.O.S in chemistry, Jiwaji University, Gwalior, Madhya Pradesh, India
3. Department of Chemistry, Mrinalini Datta Mahavidyapith, Kolkata, India
4. Department of Physics, Aringnar Anna Government Arts College, Cheyyar, India
5. Department of Chemistry, University of Allahabad, Prayagraj, Uttar Pradesh, India
6. Department of Chemistry, Dayalbagh Educational Institute, Agra, Uttar Pradesh, India