Under Trade Union Act

The registered trade unions (workers & employers) are required to submit annual statutory returns to the Registrar regarding their membership, general funds, sources of income and items of expenditure and details of their assets and liabilities, which in turn submits a consolidated return of their state in the prescribed proformae to Labour Bureau, Ministry of Labour and Employment.The Labour Bureau on receiving the annual returns from different States/Union Territories, consolidates the all India statistics and disseminates them through its publication entitled the ‘Trade Unions in India’ and its other regular publications.