1. a Supervising Medical Social Service Officer , National Drug Dependence Treatment Centre, All India Institute of Medical Sciences , New Delhi, India
2. b Associate Professor, Psychiatry, National Drug Dependence Treatment Centre, All India Institute of Medical Sciences , New Delhi, India
3. c Specialist Psychiatrist, Department of Psychiatry and De-addiction , Dr. Ram Manohar Lohia Post Graduate Institute for Medical Education and Research and Hospital , New Delhi, India
4. d Medical Social Service Officer, National Drug Dependence Treatment Centre, All India Institute of Medical Sciences , New Delhi, India