1. Anthropological Survey of India, Kolkata, India.
2. Department of Human Genetics, Andhra University, Visakhapatnam, India.
3. Endocrinology Department, Calcutta Medical College and Hospital, Kolkata, India.
4. Genetics Lab, Netaji Subhash Chandra Bose Cancer Research Institute, Kolkata, India.
5. Biochemical and Molecular Genetics Lab, Department of Anthropology, University of Delhi, Delhi, India.