(1)No ship shall carry more than twelve passengers between ports or places in India or to or from any port or place in India from or to any port or place outside India, unless she has a certificate of survey under this Part in force and applicable to the voyage on which she is about to proceed or the service on which she is about to be employed:Provided that nothing in this section shall apply to any ship which has been granted a certificate under section 235, unless it appears from the certificate that it is inapplicable to the voyage on which the ship is about to proceed or the service on which she is about to be employed, or unless there is reason to believe that the ship has, since the grant of the certificate, sustained injury or damage or been found unseaworthy or otherwise inefficient.