hello aspirant,
you must have a bachelor's degree of any stream.
you can apply for officer programs before earning your degree and as young as 17.
Naval officers work in a specific career field with in the navy ,such as aviation ,health care ,technology, engineering, law safety services.
navy officers must be physically fit ,good at managing stress.
so, you should be getting a bachelors degree of any stream and to become a navy officer you should be succesfuly completing series of aptitude tests, selection interviews and medical assesments.
exams like CDSE, and UES ,NDA and NA are the entry level exams for navy.
hope this information helpful to you,