Diploma in Nautical Science (DNS)

1-year Diploma in Nautical Science (DNS) is a pre-sea training course approved by Directorate General of Shipping (DGS) and affiliated to Indian Maritime University (IMU). The course is conducted at DWARKADHISH MARITIME. Upon successful completion of the course, cadets are awarded with pre-sea completion certificate and qualified to join a ship as a deck cadet.

The pre-sea course consists of two semesters, each semester being 6 months of duration. Having completed the course, cadets are required to undergo Structured Shipboard Training Programme (SSTP) which consists 18 months of on-board training which consists three semesters i.e. III, IV and V, approximate 6 months of duration each. During the on-board training a cadet is entitled for stipend, free boarding & lodging.

After completion of on-board training a cadet has to obtain SSTP completion certificate from the institute and has to attempt/ appear for IMU Semester III, IV & V Exams. Subsequently the cadet has to attend 4 months of post-sea shore-based training (Semester VI) which is the preparatory course for the ‘Second Mates’ examination conducted by the Director General of Shipping (DGS), at approved institutes. The cadet also has to complete mandatory STCW courses (ROC/ARPA, GMDSS, PSCRB, AFF, MFA, and ECDIS) for his/her ‘Second Mates’ (FG) license which takes approximately 2 months.

On successful completion of Second Mates examination and STCW courses, a cadet is awarded with Second Mates (F.G) Certificate of Competency by D.G. Shipping, Govt. of India and qualifies to join any sea going vessel as a third officer.

After completing all six semesters, a cadet is awarded with degree of B.Sc. (Applied Nautical Science) by Indian Maritime University.

Please Note

i) Candidates seeking admissions to Marine Programmes are strongly recommended to have Passports. Please note that the name in the Passport should be the same as given in the 10th Std. Certificate.
ii) Admission to this course is granted after passing IMU CET exam successfully and fulfilling below mentioned eligibility criteria.


Educational Qualification: 

Senior School Certificate/Higher Secondary Examination/Class XII/ 10+2

From a recognized Board/ University with Physics, Chemistry and Mathematics (PCM), with not less than 65% marks in PCM and 60% aggregate/ Equivalent GCE – UK “A” level/ International Baccalaureate Diploma


B.Sc in Physics, Mathematics, Chemistry or Electronics with Physics

As individual subject in one of the year, with an average of not less than 60% marks in the final year, from a recognized University provided that the candidate must have passed 10+2 examination with Physics, Chemistry and Mathematics (PCM) from a recognized Board : [10+2 PCM > 60%]


B.E./ B.Tech. degree with average of not less than 60%

In the final year from I.I.T. or from a college recognized by AICTE/ UGC, provided that the candidate must have passed 10+2 examination with Physics, Chemistry and Mathematics (PCM) from a recognized Board : [10+2 PCM > 60%]



Should have obtained not less than 60% marks in English as a separate subject, at either 10th or 12th standard or in the Degree course conducted by a recognized Board/ University.

Age Limit

The minimum age should be 17 yrs and maximum age should be 25 yrs on the date of commencement of course (Course usually commences on 1″February and 1′ August during every year). Relaxation of 5 years is available for SC/ST candidates and 2 years for Girl candidates.

Physical and Medical Standards

Physically fit and should meet the medical requirements as specified by DG Shipping guidelines, 6/6 eyesight without visual aids and no colour blindness.