(a) has been adjudged as insolvent; or

(b) has been convicted of an offence which, in the opinion of the Central Government, involves moral turpitude; or

(c) has become physically or mentally incapable of acting as a member; or

(d) has acquired such financial or other interest as is likely to affect prejudicially his functions as a member; or

(e) has so abused his position as to render his continuance in office prejudicial to the public interest: