Hello,
If you are preparing for NDA examination then obviously you should study Mathematics, physics,  chemistry and English of class 11th and 12th.
If you are getting 80% in class 12th then you are applicable to give NDA ssb interview (Technical enter scheme). In this case you have to not give written examination.
Thank you.

Hello
You can information like syllabus,admit card, exam pattern and about eligibility of nda exams with the help of following link:

http://nda.org.in/nda-2018/

Good luck for future

If u read class 11-12 well ,all concepts are clear then you can crack NDA exam easily they ask very easy question from class 11and 12.

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