After passing your 12th exam, you can appear for the Indian Maritime University Common Entrance Test (IMU CET) or the All India Merchant Navy Entrance Exam. Admission for those marine officers course is through an entrance and after that there is a screening test and a main written examination. After clearing the test, there is an interview You also need to complete a ship-training course prior to the employment to know about basic security concerns of voyaging.

Thank you