Hey!

11th and 12 th syllabus is always different for every recognized board, also 11th class syllabus is considered as base of 12th standard syllabus.

For NDA, there are two exams conducted every year : NDA 1 and NDA 2.

NDA 1 comprises of 12th mathematics section and NDA 2 is GAT (general aptitutde test). To chcek out the syllabus of both, visit here:

https://competition.careers360.com/articles/nda-syllabus

thankyou