The exam of the Indian Navy has been very toughest exam. So they made eligibility criteria to appear in the Indian Navy SSR-AA exam.
The minimum qualification is 10+2 passed with the science stream from a recognized board like CBSE. It is compulsory you have physics and maths subjects in 10+2. And, the minimum mark required is 65%. when you fulfill this criterion then you are eligible to appear in the exam.