1. Department of Chemistry, Dwaraka Doss Goverdhan Doss Vaishnav College (Autonomous) (Affiliated to University of Madras), 833, Gokul Bagh, E.V.R. Periyar Road, Arumbakkam, Chennai 600106, Tamil Nadu, India
2. Department of Chemistry, Sathyabama Institute of Science and Technology, Kamaraj Nagar, Semmancheri, Chennai 600119, Tamil Nadu, India