Diploma in Nautical Science (DNS)

Course overview

Navigating officers play a crucial role on board a ship — they are responsible for piloting and steering the vessel safely towards its destination. The Diploma in Nautical Science(DNS) programme has been specifically created by industry professionals to groom and create globally employable navigating officers. The first part consists of a 12-month pre-sea training course conducted on shore, followed by 18 months of structured shipboard training. After completing the training, students are eligible to appear for the B.Sc. (Nautical Science) examination affiliated to Indian Maritime University (IMU) and recognised by D. G. Shipping.

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Course name

Diploma in Nautical Science (DNS) leading to B.Sc. (Nautical Science)

Course commencement

Two batches every year, commencing in February and August*


40 seats in February, 80 seats in August (total 120)*

  • Master / Captain
  • Chief Officer
  • 2nd Officer
  • 3rd Officer
  • Cadet

Eligibility criteria



from a recognised board with Physics, Chemistry, and Mathematics (PCM)

Minimum %

60% in PCM


Students who have appeared for the 10+2 examination and are now awaiting their results, are also eligible to apply. However, they should have their marksheet at the time of interview.

Age: Maximum 24 years




with Physics, Chemistry, and Mathematics (PCM) from a recognized university

Minimum %

50% in the final year


Physics should be an separate subject in one of the years of B.Sc., provided that the candidate passed 10+2 with Physics, Chemistry, and Mathematics

Age: Maximum 24 years

Application process


Online application form

Candidates must apply for the DNS course via an online application form and pay an application fee. Candidates will receive further instructions via email. It is recommended that candidates add the email ID academy@greatship.com to their contact list.


Online assessment

Candidates will receive an email containing a link to an online examination. Since the test links are sent out in batches, candidates are advised to regularly check their email and add academy@greatship.com to their contact list to prevent emails being diverted to their spam folder. After all the candidates take the test, the admissions team will determine the cut-off score. Candidates who meet or exceed the cut-off score will be invited for an interview.


IMU-CET exam

Shortlisted candidates are required to take the Combined Entrance Test (CET) conducted by Indian Maritime University (IMU). For further details about IMU-CET, please visit www.imu.edu.in.


Personal interview

Candidates who meet the cut-off score in the online test and other criteria, if any, will be invited for an interview at the GEIMS campus in Lonavala.


Medical test

Candidates who are shortlisted after the personal interview are required to undergo a comprehensive medical examination in Mumbai, in accordance with the Merchant Shipping (Medical Examination) Rules, 2000. Details regarding the medical assessment will be provided by the admissions team.


Final selection

The final merit list is decided based on academic scores, online test scores, personal interview, and the medical test. Once selected, candidates are required to pay a non-refundable booking amount within the specified deadline to secure their seat.


Sponsorship letter

On receipt of the booking amount, the candidate will be issued a sponsorship letter with all the details.


Joining formalities

If candidates wish to avail a loan, they are advised to complete the necessary procedures prior to the joining date. Candidates are required to submit their documents before the batch starts so that GEIMS can submit them to IMU. Hence, it is important that candidates have their documents in place before attending the interview.

Fee structure

Sr. No. Particulars Amount (incl. GST)
1 Pre-joining medical examination costs 3,800
2 Admission and orientation fees (non-refundable) 45,000
3 Cost of professional books, safety items, uniform, uniform accessories, and examination fees. 25,937
4 IMU fee (1st and 2nd semesters) & Distance Learning Programme (while undergoing shipboard training during 3rd, 4th and 5th semesters) 35,000
5 Pre-sea (DNS) course tuition fee, boarding & lodging (1st semester) 2,80,394
6 Pre-sea (DNS) course tuition fee, boarding & lodging (2nd semester) 2,80,394
  TOTAL 6,31,725
*Approx. Figure. Subject to change