-Subject to the provisions of this Act and unless the Central Government, by notification in the Official Gazette, otherwise directs, on and from the appointed day, the provisions of the Companies Act, 1956 (1 of 1956.), and the [Banking Regulation Act] [Substituted [Banking Companies Act] by Act 30 of 2007 (w.e.f. 18.6.2007) ], 1949 (10 of 1949.), shall not apply to an existing bank, in so far as the said provisions impose any obligation on, or require anything to be done by, any such bank.