Explanation:

Labour Bureau has been engaged in collection, compilation, analysis and dissemination of labour statistics at All India and State level on different facets of labour since its inception in the year 1920. It releases annual publication titled, ‘Industrial Disputes, Closures, Retrenchments and Lay -Offs in industries in India’. It provides statistics on work -stoppages, closures, retrenchments and lockouts which is useful in making policies for maintaining cordial and harmonious relations between the management and the worker. This report is also aimed at meeting the demand for historical data and information on industrial conflicts and their causes by the planners, policy makers and decision makers in industry and government.

Hence option (c) is the correct answer.