1. Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2. Department of Chemistry, Indian Institute of Technology Kanpur, Kalyanpur Kanpur, Uttar Pradesh, India
3. Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Changsari, Guwahati, Assam, India
4. Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
5. Department of Physics, Dyal Singh College, University of Delhi, Delhi, India
6. Department of Physics, Zakir Husain Delhi College, University of Delhi, Delhi, India