In the return filed by it in opposition to the writ petition, the respondent while denying that the Control Order had not been placed before both Houses of Parliament, as required by sub section (6) of section 3 of the Act or that the issue of the Control Order or the Notification fixing maximum selling prices of various categories of iron and steel including the commodity in question was not based on the formation of the opinion envisaged by sub section 1 of section 3 of the Act conceded that the notification fixing the maximum selling prices of the categories of iron and steel including the commodity in question had not been placed before both Houses of Parliament but contended that the provisions of sub section (6) of section 3 of the 1075 Act requiring the placing of the order contained in the aforesaid notification before both Houses of Parliament were directory and not mandatory and the omission to comply with that requirement did not have the effect of invalidating the notification.