1. Department of Chemistry, R.B. College (A Constituent College of Lalit Narayan Mithila University, Darbhanga), Dalsingsarai-848114, India
2. Department of Chemistry, Kulbhaskar Ashram P.G. College, Prayagraj-211002, India
3. Electrochemical Laboratory of Green Synthesis, Department of Chemistry, University of Allahabad, Prayagraj-211002, India