The present paper examines the impact of leadership styles on organizational effectiveness by using Pearson's co-relation matrix and multiple regression model. Data were collected from 10 departments of Rourkela Steel Plant. Participants included 68 supervisors and 241 managers. Managerial Behaviour Questionnaire (MBQ) and Organizational Effectiveness Scale (OES), the standardized questionnaires were used for the study. The study reveals that leadership styles of managers and supervisors highly influence the organizational effectiveness. t Dr B. B. Mishra is currently working as Head of Dept., Department of Business Administration, Utkal Unversity, Bhubaneswar. style of managers and supervisors and the effect of their behaviour on organization. Various reviews of this literature, however, have raised important questions regarding the usefulness of the research in explaining the underlying leadership phenomena (Jago
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