“mhGAP Intervention Guide for mental, neurological and substance use disorders in non-specialized health settings” is a technical tool for implementation of the mhGAP Programme. The Intervention Guide has been developed through a systematic review of evidence, followed by an international consultative and participatory process. It provides the full range of recommendations to facilitate high quality care at first- and second-level facilities by the non-specialist health-care providers in resource-poor settings