1. Department of Chemistry, West Bengal State University, Barasat, India;
2. Sripur High School, Madhyamgram, India;
3. Department of Chemistry, Indian Institute of Science Education and Research, Kolkata Mohanpur, India;
4. Department of Zoology, West Bengal State University, Barasat, India;
5. Department of Microbiology, West Bengal State University, Barasat, India