1. Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai- 400076 India
2. Department of Chemistry; School of Basic and Applied Sciences; Sri Guru Granth Sahib World University; Fatehgarh Sahib- 140406 Punjab India
3. Department of Physics and Astronomy; Michigan State University; East Lansing USA
4. Department of Chemistry; N. B. Mehta Science College, Bordi, Dahanu; Dist. Thane Maharashtra India