Defence Act 1954
17.— (1) Under the direction of the President, and subject to the provisions of this Act, the military command of, and all executive and administrative powers in relation to, the Defence Forces, including the power to delegate command and authority, shall be exercisable by the Government and, subject to such exceptions and limitations as the Government may from time to time determine, through and by the Minister.
(2) ( a) The delegation of command and authority by the Minister—
(i) may be made subject to such exceptions and limitations as he may from time to time determine,
(ii) may be in relation to any area, place or State ship or any military body organised under section 22 and may embrace different components of the Defence Forces,
(iii) may, during a period of emergency, be in relation to the whole of the Defence Forces.
( b) For the purposes of subparagraph (ii) of paragraph ( a) of this subsection and for administrative purposes, the Minister may divide the State into such and so many areas as he thinks fit.
(3) The Minister may make regulations, applying to officers, as to the persons to be invested, as officers, with military command over the Defence Forces or any part thereof or any person belonging thereto and as to the mode in which such command is to be exercised.