50. (1) An officer or other employee of the Corporation may be censured, fined, reduced in rank, promotion may be withheld, for any breach of any departmental regulation or discipline or for any carelessness or negligence of duty or for corruption or other misconduct by such authority and in such manner as may be prescribed: Provided that no such officer or other employee shall be removed or dismissed or reduced in rank by an authority subordinate to that by which he was appointed. (2) No such officer or other employee shall be removed or dismissed or reduced in rank unless he has been given a reasonable opportunity of showing cause against the action proposed to be taken in regard to him: Provided that this sub-section shall not apply- (a) where an officer or the employee is removed or dismissed or reduced in rank on the ground of conduct which has led to his conviction on a criminal charge; or (b) Where the authority empowered to remove or dismiss an officer or other employee or to reduce him in rank is satisfied that for some reason to be recorded by that authority in writing it is not reasonably practicable to give that officer or other employee an opportunity of showing cause. (3) Any officer or other employee upon whom a punishment has been inflicted under this section may appeal to such authority as may be specified by rules.