Section 6 of the postulates the effect of repeal thus: 'Where this Act or any (Central Act) or regulation made after the commencement of this Act, repeals any enactment hitherto made or hereafter to be made, then, unless a dif ferent intention appears, the repeal shall not (b) affect the previous operation of any enactment so re pealed or anything duly done or suffered thereunder ' or (c) affect any right, privilege, obligation or liability acquired, accrued or incurred under any enactment so re pealed; or . . any such investigation, legal proceedings or remedy may be instituted, continued or enforced . . as if the repealing Act or Regulation had not been passed." Section 17(1) provides under: "In any (Central Act) or Regulation made after the commence ment of this Act, it shall be sufficient for the purpose of indicating the application of a law to every person or number of persons for the time being executing the functions of an office, to mention the official title of the officer at present executing the functions of an office, or that of the officer by whom the functions are commonly executed.