Shubh Mohan Singh1, Mohit Sharma2, Anisha Aggarwal3, Ajit Avasthi4. 1. Department of Psychiatry Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India. Electronic address: singh.shubhmohan@pgimer.edu.in. 2. Department of Psychiatry Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India. Electronic address: drmohitsharma.ucms@gmail.com. 3. Department of Psychiatry Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India. Electronic address: anishaa1089@gmail.com. 4. Department of Psychiatry Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India. Electronic address: drajitavasthi@yahoo.co.in.