The States Reorganisation Act,1956
Section 116. Provisions as to continuance of officers in the same posts
(1) Every person who immediately before the appointed day is holding or discharging the duties of any post or office in connection with the affairs of the Union or of an existing State in any area which on that day falls within another existing State or a new Part A State or a Part C State shall, except where by virtue or in consequence of the provisions of this Act such post or office ceases to exist on that day, continue to hold the same post or office in the other existing State or new Part A State or Part C State in which such area is included on that day, and shall be deemed as from that day to have been duly appointed to such post or office by the Government of, or other appropriate authority in, such State, or by the Central Government or other appropriate authority in such Part C State, as the case may be.
(2) Nothing in this section shall be deemed to prevent a competent authority, after the appointed day, from passing in relation to any such person any order affecting his continuance in such post or office.