Arpit Parmar1, Siddharth Sarkar2. 1. Addiction Psychiatry Senior Resident, National Drug Dependence Treatment Centre and Department of Psychiatry, All India Institute of Medical Sciences, Delhi, India. Electronic address: dr.arpitparmar@gmail.com. 2. Assistant Professor, National Drug Dependence Treatment Centre and Department of Psychiatry, All India Institute of Medical Sciences, Delhi, India. Electronic address: sidsarkar22@gmail.com.