1. Department of Pediatrics, National Institute of Homoeopathy, Salt Lake, Kolkata, West Bengal, India
2. Department of Materia Medica, National Institute of Homoeopathy, Salt Lake, Kolkata, West Bengal, India
3. Department of Repertory, National Institute of Homoeopathy, Salt Lake, Kolkata, West Bengal, India
4. Department of Organon of Medicine and Homeopathic Philosophy, National Institute of Homoeopathy, Salt Lake, Kolkata, West Bengal, India
5. Department of Repertory, The Calcutta Homoeopathic Medical College and Hospital, Kolkata, West Bengal; affiliated to The West Bengal University of Health Sciences, Govt. of West Bengal, West Bengal, India
6. Department of Homeopathy, East Bishnupur State Homoeopathic Dispensary, Chandi Daulatabad Block Primary Health Centre, South 24 Parganas, West Bengal, under Department of Health & Family Welfare, Govt. of West Bengal, West Bengal, India
7. Department of Repertory, D. N. De Homoeopathic Medical College and Hospital, Govt. of West Bengal. 12, Gobinda Khatick Road, Tangra, Kolkata, West Bengal, India