1. Cytogenetics & Genomics Research Unit, Department of Zoology; University of Calcutta, Taraknath-Palit-Siksha-Prangan (Ballygunge Science College Campus); Kolkata West Bengal India
2. Department of Biology; Spelman College; Atlanta Gorgia USA
3. Department of Pediatric Medicine; Institute of Post Graduate Medical Education and Research; Kolkata West Bengal India