Industrial Relations Act, 2012 — section 83

83. Enforceability of agreement..—Notwithstanding anything contained in any other law for the time being in force, an agreement between the members of a trade union shall not be void or voidable by reason only that any of the objects of the agreement are in restraint of trade: Provided that nothing in this section shall enable any civil Court to entertain any legal proceedings instituted for the express purpose of enforcing, or covering damages for the breach of any agreement concerning the conditions on which any member of a trade union shall or shall not sell their goods, transact business or work, employ or be employed.