Despite an increasing number of studies on Job Satisfaction, no unifying work is focused on the measurement of degree of difference in Job Satisfaction in a public sector organization and a private sector organization in Indian context. Employees Job Satisfaction plays a key role in the success of any organization. Extensive literature survey clearly reveals that identified 10 variables are antecedents of job satisfaction. Data were collected from 250 employees consisting of managerial and non-managerial staff from both public sector and private sector organizations. The results revealed that employees in public sector organization have greater degree of Job Satisfaction in comparison to private sector employees. Obtained results were in the line of the formulated hypotheses. In terms of Job Satisfaction; a significant difference is noticed between public sector and private sector organization. As expected, in a broader sense, public sector employees have exhibited higher degree of Job Satisfaction as compared to private sector employees.