To join the Merchant Navy after the 12th grade, you must meet specific educational and medical requirements, clear entrance exams, and complete a training program approved by the Directorate General of Shipping (DGS).
The Merchant Navy offers career opportunities in both the deck and engine departments. After Class 12, students have more options than those entering after Class 10, including pathways designed specifically for officer careers.
The right course depends largely on your subjects, marks, medical fitness and the type of career you want onboard.
How to Join Merchant Navy After 12th – Eligibility
- Academic Qualification:
To become an officer in Merchant Navy after 12th, you must have passed 12th with Physics, Chemistry & Mathematics (PCM). You need at least 60% aggregate in PCM and 50% marks in English in 10th or 12th. - Age Limit:
Candidate age should be between 17 to 25 years at the time of course commencement. - Medical Fitness:
You must be medically and physically fit. 6/6 eyesight (no colour blindness is allowed) is mandatory. A full body check-up by a DGS-approved doctor is compulsory for admission.
Step 1: Choose Your Career Department to Join Merchant Navy After 12th
There are two major technical career paths onboard:
Deck Department:
Responsible for navigation, cargo operations, ship operations, safety and related duties.
Engine Department:
Responsible for propulsion machinery, engines, electrical and mechanical systems and technical operations.
If your goal is to become a deck officer, you can consider nautical programmes. If you want to work as a marine engineer, you need an engineering-oriented route.
Step 2: Choose the Right Course
For students with Physics, Chemistry and Mathematics (PCM) in Class 12, major officer-oriented options include:
- B.Sc. Nautical Science
- Diploma in Nautical Science (DNS)
- B.Tech Marine Engineering
IMU’s current Program information specifies PCM eligibility requirements for B.Sc. Nautical Science and DNS, including 60% aggregate in PCM and 50% in English for the current listed Programs.
The exact admission requirements for the 2027 batch should be checked when the official 2027 prospectus is released.
Step 3: Check Medical Fitness
Medical fitness is a critical part of Merchant Navy admission.
Candidates must meet the applicable maritime medical standards, including requirements related to eyesight and colour vision. Therefore, it is advisable to complete the appropriate medical examination before spending money on a maritime course.
Step 4: Apply to the Appropriate Institute
Candidates should select a DG Shipping-approved maritime training institute and, where applicable, follow the admission process specified by IMU or the relevant authority.
IMU’s current admission information lists DNS, B.Sc. and B.Tech maritime programmes and provides the applicable admission notifications and processes.
Step 5: Complete Pre-Sea Training
After admission, students undergo the prescribed academic and practical training.
The training is not simply classroom education. Maritime programmes include practical learning and preparation for working safely and effectively onboard ships.
Step 6: Complete Required Sea Training and Certification
Becoming a Merchant Navy officer is a process rather than simply completing a college course.
Candidates must complete the required sea service, training, assessments and competency examinations applicable to their chosen career path.
For example, the DGS pathway toward Second Mate certification includes prescribed sea service, bridge watchkeeping experience, post-sea training and examinations.
What If You Did Not Study PCM?
This is an important distinction.
Many officer-entry nautical and marine engineering programmes require PCM. For example, IMU’s current B.Sc. Nautical Science and DNS eligibility specifies Physics, Chemistry and Mathematics.
Therefore, students from other streams should not assume that every Merchant Navy course is available to them. Some rating-level courses have different eligibility requirements, so the course must be selected according to the candidate’s educational background.
Is Merchant Navy a Good Career After 12th?
It can be a rewarding career for candidates who are comfortable with life at sea, disciplined working conditions, long periods away from home and a highly regulated professional environment.
It can also offer international exposure and opportunities for career progression. However, candidates should choose the course based on their actual eligibility and long-term career objective rather than joining simply because of advertised salary figures.
For complete admission assistance and career counselling, contact Biocean Maritime Services today and start your journey towards becoming a Merchant Navy Officer.
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