Dear aspirant,

You need to apply for NDA for getting into military and mind it in your commerce line you have to take maths  because there is a seperate section of maths in the nda exam but you need to study physics and chemistry too as there will be questions from this also in paper 2. There are two papers - 1 Maths  and 2 GAT.

For more information you can check out the link given below-

https://competition.careers360.com/exams/nda