RBI-TWINN-SIN project will encompass the endeavors of Division of Theoretical Physics to become an outstanding center of theoretical physics using the synergy with RBI-T-WINNING project. Its purpose is to enrich the Division's research potential through equipment and infrastracture upgrades and continuation of research stimulated by measures of RBI-T-WINNING project. RBI-TWINN-SIN activities will include acquiring research/IT equipment and software, electromechanical works with purpose of adapting the workspace for installation and usage of the acquired equipment, furnishing the offices, acquiring research supplies, activity of implementation of horizontal principles, project management and briefing.