1. Drug Deaddiction and Treatment Centre, Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh, India
2. Department of Psychology, Punjab University, Chandigarh, India
3. Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh, India
4. Department of Radiodiagnosis & Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
5. Department of Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh, India