Hello,
The eligibility criteria to appear for Indian Navy SSR is that a candidate must have passed 10+2 with Mathematics, Physics and Chemistry/Biology/Computer science from an educational board recognized by Central/State Government. There is no minimum percentage requirement in the qualifying examination. So if you have studied 10+2 with the above mentioned subjects then you are eligible to appear for Indian Navy SSR.
To check the details use the link below
https://www.joinindiannavy.gov.in/en/page/ssr.html
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile