law: 39. Power of Court to effect arrest of witnesses by entry and detention of vessels.-
  (1) If any Court making an investigation under this Chapter issues a warrant of arrest to compel the attendance of any person whose evidence is in its opinion necessary, it may, for the purpose of effecting the arrest, but subject to any general or special instructions issued by the State Government in this behalf, authorise any officer to enter any vessel.
  (2) An officer so authorized to enter any _vessel may, for the purpose of enforcing the entry, call to his aid any officers of Police or Customs, or any other persons, and may seize and detain the vessel for such time as is reasonably necessary to effect the arrest; and every such officer or other person shall be deemed to be a public servant within the meaning of the Indian Penal Code (45 of 1860).
  (3) No person shall be detained under this section for more than forty -tight hours.