According to official website of India Navy, the basic pay band for the post of Sub Lieutenant, at level 10, is INR 51600-177500 . Have a look at the basic pay range of other similar posts as well-

Lieutenant, at level 10B, Basic pay Scale, INR 61300-193900

Lieutenant Commander, at level 11, Basic pay Scale- INR 69400-207200

However if you want to see the it from your own then you can visit joinindiannavy.gov.in

You will get all the necessary information on the website regarding Indian Navy and how to join Indian Navy.

Good Luck.