1. Vimlesh Kumar Kanaujiya Varsha Tiwari Dr. Jeyakumar Kandasamy Department of Chemistry Indian Institute of Technology (BHU) Varanasi Uttar Pradesh 221005 India
2. Present Address: Varsha Tiwari Department of Chemistry Mahant Darshan Das Mahila College, B.R.A. Bihar University Muzaffarpur Bihar 842002 India
3. Koyal Pattanaik Dr. Shahulhameed Sabiah Department of Chemistry Pondicherry University Pondicherry 605014 India