26. (1) A conductor's licence may at any time be revoked by any licensing authority or any Transport Committee constituted under Chapter V or any other prescribed authority:-(a) if the authority has reasonable grounds to believe that the holder of the conductor's licence is suffering from any disease or disability which is likely to render him unfit to hold such conductor's licence.(b) if the character or conduct of the person is such as to render him an unsuitable person to hold a conductor's licence. (2) Where the authority revoking a conductor's licence is not the authority which issued the same, it shall intimate the fact of revocation to the authority which issued that conductor's licence.