1. Department of Chemistry, Kirori Mal College, University of Delhi, Delhi, India
2. Department of Chemistry, University of Delhi, Delhi, India
3. Department of Biochemistry, University of Delhi, India
4. Department of Chemistry, Sri Venkateswara College, University of Delhi, Delhi, India
5. Chemistry Division, Bhabha Atomic Research Centre, Mumbai, India
6. Department of Chemistry, Atma Ram Sanatan Dharma College, Delhi University, New Delhi, India
7. School of Physics, Trinity College Dublin, Ireland
8. Special Centre for Nano Sciences, Jawaharlal Nehru University, Delhi, India