The Training Workshop on" Dark Data in Socio-economic Planning" was held by Mr. Ebrahim Godarzi, Expert of Deputy for Planning and IT of the High Council of Cultural Revolution, in the SRTC from 10 to 11 December 2019 for 8 hours. In this Workshop, the participants were provided with topics such as definitions and concepts of Dark Data, Big Data and their importance in organizations, application of Dark Data and its uses in competitive advantage of organizations.