Hello aspirant,

Those who want to work on ships enrol in Merchant Navy courses. The concepts of navigation, marine electrical technology, naval architecture, marine communication, shipping management, and other subjects are taught to students in merchant navy courses. Every merchant navy school includes a distinct focus that helps students gain a thorough understanding of the main operational duties on a ship. Merchant courses offer a wide range of specializations, including the Diploma in Marine Engineering, the BTech in Ship Building, the MBA in Shipping Finance, etc.
To know the complete syllabus you can visit the following link:

https://engineering.careers360.com/articles/imu-cet-exam-pattern-syllabus

Thank you

Hope it helps you.