Hello,

You can refer these books for the preparation of  NDA(National Defence academy) Exam-

• Mathematics-R.D SHARMA(Class XI and XII ),NDA/NA by R.s Aggarwal
• English- Arihant general English by 'S.P Bakshi.
• Gerneral Science-Arihant General Knowledge

Thank You.

Hope it helps you.

Some of the best books for NDA are mentioned below:

Pathfinder for NDA & NA National Defence Academy Naval Academy Entrance Examination by Arihant

Let's Crack NDA Exam - National Defence Academy & Naval Academy Examination by SSBCrack

Study Package for NDA/NA Entrance Exam by Tata McGraw-Hill Education India

Mathematics

Mathematics for NDA/NA: National Defence Academy and Naval Academy by RS Aggarwal

Study Package Mathematics NDA/NA Entrance Exam by Arihant

General Ability Test (GAT)

General Knowledge 2019 by Arihant

General Science Guide for Competitive Exams – CSAT/ NDA/ CDS/ Railways/ SSC/ UPSC/ State PSC/ Defence by Disha

History Of Modern India by Bipan Chandra

Science and Technology in India by Kalpana Rajaram: Spectrum

For more details - Click Here

Hope this helps!

Dear student

You can take help of Arihant's chapterwise solved papers .it will really give you an exact idea that which section you are week at .hence you can choose the section and practice it untill you are not comfortable.

For general science you can study NCERT of 9 th& 10 th this will really boost your marks in the examination.all the best .