Hello there,

You definitely have a chance to join Indian navy by the UPSC exam of combined Defense Services (CDS) ,  there are some posts in CDS,  that wants only a bachelor degree in any discipline,  so you can apply for them.

Hope I am clear

Hello,
Candidate must have a qualified in 10+2 examination with Maths & Physics and at least one of the following subjects Chemistry/Biology/Computer science. Age Limit: Candidates should have been born between Feb 01, 1998 to Jan 31, 2002 i.e. from an age of 16 years to 20 years approximately for joining navy.
It seems like you are educationally eligible .
And I hope you also match the age criteria.
Best of luck