The telecommunication sector, which has the enormous effect on the economy, has a vital role to play by contributing to the increased efficiency. Thus, the investigators undertook the study of determinants of organizational effectiveness of telecommunication organizations of Haryana State. The present study aims to determine the relationship among organizational effectiveness, leadership style, organizational citizenship behavior and organizational culture. It also investigates the impact of independent variables namely leadership style, organizational citizenship behavior and organizational culture on the dependent variable organizational effectiveness. Descriptive survey method was used in the study and a sample of 600 employees (300 each) from BSNL and Vodafone organizations of Haryana State drawn using purposive sampling technique. Organizational Effectiveness Scale by Santosh Dhar & Upinder Dhar (2010), Multi Factor Leadership Questionnaire by S. N. Dubey (2000), Organizational Culture Profile by Udai Pareek (2002) and Organizational Citizenship Behavior Scale by Sangeeta Jain & Vishal Sharma (2009) were utilized for obtaining the data. Pearson’s Product Moment Correlation and Multiple Regression Analysis were applied for analyzing the data. The findings of the study revealed that there was a significant and positive relationship among the organizational effectiveness of BSNL and Vodafone Idea Ltd. and its determinants. Leadership style was reported to be most significant determinants of organizational effectiveness of the telecommunication organizations. It explained 4.7% of variation in organizational effectiveness of BSNL and 5.4% of variance in the organizational effectiveness of Vodafone Idea Ltd. was explained by the leadership style.
