Theoretically preparation for NDA

How can i prepare for NDA exam theoretically, will you please provide information here???

[Arun Vats]

NDA is the exam for joining to the following courses:
Airforce
Army
Navy
Nava, academy

For theoretically preparation you can start from now and you update your knowledge with the general knowledge
Improve English
Keep eye on current affairs
Read news paper daily

Read following books:
Manorama, Frontline, India today, Indian History,

Books:

STUDY PACKAGE FOR NDA (English) 1st Edition
Author: TMH



Mathematics for NDA and NA [Paperback]
R S Aggarwal (Author)



Pathfinder for NDA & NA Entrance Examination National Defence Academy/Naval Academy Conducted by UPSC (Old Edition) [Paperback]
Expert Compilations (Author)



The Pearson Complete Guide to NDA/NA Examination (English) 2nd Edition
Author: Showick Thorpe