1. Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat-395 007, India
2. Department of Chemistry, School of Advanced Science, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
3. Central Tribal University of Andhra Pradesh, Kondakarakam Village, Cantonment, Vizianagaram, Andhra Pradesh, 535003, India