Section 10(2) in The Indian Port Health Rules, 1955
(2)A ship shall be regarded as not having communication with the shore if it is making a call of less than twenty-four hours and if while it is in port it has no communication either with the shore or with any other vessel in the port, of such a nature as would, in the opinion of the Health Officer, render possible the conveyance of a quarantinable or an infectious disease from the ship to the shore or to any other vessel in the port or vice versa.
