1. Clinical Research Unit for Homoeopathy, Siliguri, under Central Council for Research in Homoeopathy, Ministry of AYUSH, Govt. of India, Siliguri, West Bengal, India
2. Regional Research Institute for Homoeopathy, Agartala, under Central Council for Research in Homoeopathy, Ministry of AYUSH, Govt. of India, Agartala, Tripura, India
3. Central Council for Research in Homoeopathy, Ministry of AYUSH, Govt. of India, New Delhi, India