1. Department of Physical Chemistry, School of Chemical Sciences, University of Madras, Maramalai Campus, Guindy, Chennai 600 025, India
2. Department of Biotechnology, School of Life Sciences, Pondicherry University, R. V. Nagar, Kalapet, Puducherry 605 014, India
3. Dr. Krishnamoorthi Foundation for Advanced Scientific Research, Vellore 632 001, Tamil Nadu, India