An Indian ship shall hoist
the proper national colours--
(a) on a signal being made to her by any vessel of the Indian Navy;
(b) on entering or leaving any foreign port;
(c) if of fifty tons gross tonnage or more, on entering or leaving any Indian port.
(a) on a signal being made to her by any vessel of the Indian Navy;
(b) on entering or leaving any foreign port;
(c) if of fifty tons gross tonnage or more, on entering or leaving any Indian port.