(j)notwithstanding anything contained in clause (i) where any of the employees of the insurer not being workmen within the meaning of the Industrial Disputes Act, 1947 (14 of 1947), are specificallymentioned in the scheme under clause (i) of where any employees of the insurer have by notice in writing given to the insurer or, as the case may be, the transferee insurer at any time before the expiry of one month next following the date on which the scheme is sanctioned by the Central Government, intimated their intention of not becoming employees of the transferee insurer, the payment to such employees of compensation, if any, to which they are entitled under the Industrial Disputes Act, 1947 (14 of 1947), and such pension, gratuity, provident fund, or other retirement benefits ordinarily admissible to them under the rules or authorisations of the insurer immediately before the date of the amalgamation;