Objective: To determine undiagnosed burden of autism spectrum disorder and attention deficit hyperactivity disorder and associated socio-demographic factors among adult psychiatric patients. Study Design: Descriptive cross sectional study. Place and Duration of Study: Study was conducted at Tertiary Care Hospital Rawalpindi. from Jun to Nov 2018. https://www.nacrack.com/flash-choice-Netgear-Nighthawk-LTE-Mobile-Hotspot-Router-Mobile-Hotspot-LTE-BRAND-NEW-p8608-best-super/