Section 37A(1A)(f) in The Prevention of Food Adulteration Rules, 1955
(f)the storage condition specifically stating "store in a cool and dry place in an air tight container" or the like, [after opening use the contents within the period mentioned or the expiry date, whichever is earlier] [Inserted by G.S.R. 398(E), dated 3rd July, 2006 and as corrected by G.S.R. 1(E), dated 2nd January, 2007, by G.S.R. 267(E), dated 2nd April, 2007 (w.e.f. 4-7-2007)];