Section 68(2)(b) in West Bengal Industrial Disputes Rules, 1958
(b)in the case of the workmen, -(i)by the workmen himself, or(ii)by the President or Secretary of a trade union or federation of trade unions referred to in clause (a) or clause (b) of subsection (1) of section 36, or where the workmen is not a member of any trade union, by an officer or other workmen referred to in clause (c) of the said sub-section authorised in the manner laid down in sub-rule (1) of rule 78A.