6. Repeals and savings. If immediately before the appointed day, there is in force in any Part B State any law corresponding to any of the Acts or Ordinances now extended to that State, that law shall, save as otherwise expressly provided in 2[ this Act] stand repealed: Provided that the repeal shall not affect--
the previous operation of any law so repealed or anything duly done or suffered thereunder, or
any right, privilege, obligation or liability acquired, accrued or incurred under any law so repealed, or
any penalty, forfeiture or punishment incurred in respect of any offence committed against any law so repealed, or
any investigation, legal proceeding or remedy in respect of any such right, privilege, obligation, liability, penalty, forfeiture or punishment as aforesaid; and any such investigation, legal proceeding or remedy may be instituted, continued or enforced, and any such penalty, forfeiture or punishment may be imposed as if this Act had not been passed: Provided further that, subject to the preceding proviso, anything done or any action taken (including any appointment or delegation made, notification, order, instruction or direction issued, rule, regulation, form, bye- law or scheme framed, certificate obtained, patent, permit or licence granted or registration effected) under any such law shall be deemed to have been done or taken under the corresponding provision of the Act or Ordinace as now extended to that State, and shall continue to be in force accordingly, unless and until superseded by anything done or any action taken under the said Act or Ordinance.