Hello Prayanshu, first you need to complete your 10+2 in order to be eligible to apply for Indian Navy.
The UPSC holds, twice a year, an examination for the entry into the National Defence Academy (NDA) and Naval Academy (10+2). Candidates on completion of the 10+2 (PCM) Examination or while in the 12th standard are eligible to compete. Successful candidates join the NDA or Naval Academy as Naval cadets.
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