1. Department of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, Delhi, India
2. Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi, India
3. Department of Chemistry, University of Delhi, Delhi, India
4. Special Centre for Nanoscience, Jawaharlal Nehru University, Delhi, India
5. Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, NCR Campus, Uttar Pradesh, India
6. Swami Shraddhanand College, University of Delhi, Delhi, India
7. Department of Physics, Atma Ram Sanatan Dharma College, University of Delhi, Delhi, India
8. Department of Chemistry, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa