This study investigates the impact of use of social media at workplace by taking employees wellbeing and task performance as dependent variable. Both dependent variable and task performance are analyzed in an experiment. For conducting experiment, a population of 40 management trainee officers (MTO) has been chosen. For measuring use of social media outcome, the population is divided into two groups. One group is allowed to use social media while other group prohibit social media at workplace. The study examined impact of social media usage at workplace as well as it also provides theoretical and experimental support. The results are useful for organizations for managerial decision making regarding social media concerns. Supervisor:- Dr. Hassan Rasool