The Trade Unions Act, 1926
24. Amalgamation of Trade Unions.—
Any two or more registered Trade Unions may become amalgamated together as one Trade Union with or without dissolution or division of the funds of such Trade Unions or either or any of them, provided that the votes of at least one-half of the members of each or every such Trade Union entitled to vote are recorded, and that at least sixty per cent. of the votes recorded are in favour of the proposal.
Merger of Trade Union
On merger the Trade Union and its office-bearers do not lose their identity; Rattan Kumar Dey v. Union of India, (1991) 63 FLR 463 (Gau).