1. Medical Officer, Mal Superspeciality Hospital Jalpaiguri, West Bengal, India
2. Associate Professor and Consultant Psychiatrist, Department of Psychiatry, Centre of Excellence in Mental Health, Atal Bihari Vajpayee Institute of Medical Sciences, Dr. R.M.L. Hosptal, New Delhi, India
3. Professor, OCD Clinic, Department of Psychiatry, Centre of Excellence in Mental Health, Atal Bihari Vajpayee Institute of Medical Sciences, Dr. R.M.L. Hosptal, New Delhi, India