20. Every person, in respect of whom an order has been made under section 13 of this Act, shall, if so directed by the Tribunal present himself before such officer of the Government and at such place and time as may be specified in the order- (i) for being photographed; (ii) for giving his finger impressions or if literate, specimens of his handwriting and signature; and such person shall allow himself to be photographed and shall affix his finger impressions as required or as the case may be supply specimens of his handwriting and signature.