1. & Treatment Centre & Department of Psychiatry, Postgraduate Institute of medical Education & ResearchDrug De-addiction, Chandigarh, India
2. Department of Psychiatry, Indira Gandhi Medical College, Shimla, India
3. Department of Psychiatry, Ivy Hospital, Nawanshahr, India
4. Consultant Psychiatrist, Community Mental Health Clinic, Cumbria Northumberland Tyne and Wear Foundation Nhs Trust, Molineux Nhs Centre, Byker, UK