A Dissertation Submitted to Mzumbe University in Partial Fulfilment of Award of the Degree of Master of Business Administration in Corporate Management of Mzumbe University.This study examines performance of public organisations with reference to PPF in DSM through effective employees participation in decision making. Performance of workers in many organizations organisations segregates workers on some policy issues. This has caused extension of the problems in many organizations. Performance of the workers is reduced by identified problems like decrease in Production, Morale decrease at work, conflict and friction at workplace are claimed effects due to employees not involved in crucial process of important deed which are very important for both workers likewise the organization. The main objective was to assess effects of Performance of workers at PPF organization in Dar es Salaam. This case study research employed both qualitative and quantitative research methods. The sample comprised 30 respondents out of 45 respondents who were the sample size for this study from PPF organization. Primary data was obtained through well administered questionnaires and secondary data were obtained educational documents with information about analysed by SPSS Programme. Findings of this study have revealed that workers somehow are involved in some issues but strictly on issues concerning organizational policy structuring, workers are not were given full participation since the management make the interest of the organization than balancing and that of workers’ advice the organization aims at achieving its goals interest then there after workers interest also are considered. However this have been implemented by the organization but workers evaluate this organization culture workers think could be modified workers advice and their interest provided are supporting the organization to meet the targeted goals. Therefore, challenge is seen on this case since on some issues workers are given chance to give their advice through Departmental meeting and with effect on implementation only except when the advice tries to touch the policy of the organization is workers advice have no effect.