Can I join dns at 22 age ?

Yes, you can absolutely join the Diploma in Nautical Science (DNS) course at 22 years old. According to the Directorate General of Shipping (DGS) guidelines, the upper age limit for joining the DNS program is 25 years for general category candidates. Therefore, at 22, you are well within the eligibility criteria, and your age is not a legal barrier to entry. Your strong academic background, specifically your 90 percent in Physics, Chemistry, and Mathematics and your impressive 8.8 CGPA, makes you a highly competitive candidate on paper. It is important to understand that shipping companies often use age as a filtering criterion for sponsorship interviews, but this is usually an internal preference for younger candidates rather than a regulatory restriction imposed by maritime authorities. The reason you may be facing difficulties in securing an interview call is likely due to the highly competitive nature of company sponsorship and the high volume of applications received by top-tier shipping firms. An IMU-CET rank of 5000 is respectable, but many premier companies look for ranks within the top 500 to 1000 to manage their recruitment pipeline. With a degree in physics, you possess analytical skills that are highly valued at sea, but companies often prioritize candidates who are fresh out of their senior secondary education as they are considered more adaptable to the structured, rigorous training environment of a pre-sea cadet. Do not be discouraged by the silence from recruiters; the maritime industry is notoriously cyclical and competitive, and your profile is strong enough to eventually break through. To improve your chances, I recommend expanding your search beyond the mainstream companies that you have already contacted. Look into smaller, reputable shipping lines that may not have as high a brand profile but offer the same DG-approved training and sea time. Additionally, work on your interview preparation and communication skills, as these are often the deciding factors once you clear the initial application screening. Since you have a degree in physics, emphasize your problem-solving capabilities and your maturity during any potential screening assessments. Keep applying, maintain your physical fitness, and remain persistent, as many successful officers were not selected in their first attempt. Your age is not the problem; it is simply a matter of finding the right company that values the academic maturity a graduate brings to the bridge.