Can such directions be issued to reduce salaries of Judges of the Supreme Court and High Courts during a Proclamation's operation?
Yes, according to the context provided, it is mentioned that "it shall be competent for the President during the period any Proclamation issued under this article is in operation to issue directions for the reduction of salaries and allowances of all or any class of persons serving in connection with the affairs of the Union including the Judges of the Supreme Court and the High Courts."