Prevention of Food Adulteration Act (37 of 1954) , S.23— Prevention of Food Adulteration Rules (1954) , R.44.1— Sale of non-iodised salt - R. 44.1 prohibiting sale of any substance which may be injurious to health - Challenge on ground that Experts report however showing that consumption of non-iodised salt is not injurious to health - Time granted to Union of India to file additional affidavit giving detailed particulars as to circumstances in which sale of non-iodised salt for human consumption is prohibited. (Para 2 3)