law: The Marine Aids to Navigation Act, 2021
  Chapter III
  Director General of Aids to Navigation
  4. Appointment of Director General, Deputy Director Generals and Directors.-
  (1) The Central Government shall, by notification in the Official Gazette, appoint,-
  (a) the Director General;
  (b) Deputy Director Generals; and
  (c) Directors for districts.
  (2) For the purposes of sub-section (1), the Central Government may demarcate such areas to be districts.
  (3) Every officer appointed under sub-section (1) shall discharge his functions under the general superintendence and control of the Director General.