(1) Where, for the purposes of this Act any document is to be served on any person, that document may be served in any case by delivering a copy thereof personally to the person to be served or by leaving the same at his last place of residence, or by post.
(2) If the document is to be served---
(a) on the harbour master of a port, where there is one, by leaving the same for him at the port, with the person being or appearing to be in command of the port;
(b) on the master of a vessel, where there is one, by leaving the same for him on board that vessel, with the person being or appearing to be in command or charge of the vessel; and
(c) on the master of a vessel, or if there is no master and the vessel is in India, on the owner of the vessel, or, if such owner is not in India, on any agent of the owner residing in India, or, where no such agent is known or can be found, by affixing a copy thereof on the vessel or at a suitable place on the bridge.