You can find eligibility criteria for different post from here-

For Army :- 12th passed from any board

For Airforce and Naval :- 12th passed with physics or maths.

 

Age Limit -

For Army:- age should be 15 to 18 yrs.

For Airforce and Naval :- 15  to 18 yrs.

Age relaxation rule details you can find from https://www.upsc.gov.in.

 

 

 

here are mention some inportant dates for UPSC NDA II EXAMS-

 

Application starting date- 06 june 2018

 https://studymaterial.oureducation.in/product/best-book-for-upsc-nda-na-exam-preparation/

 

 For previous year papers-

 https://studymaterial.oureducation.in/product/previous-year-paper-upsc-nda-na/

 Here are some coaching centers which will be helpfull for you to prepare for UPSC NDA exams-  https://blog.oureducation.in/best-coaching-center-for-upsc-nda-in-delhi/

 

For important book details you can visit- 

Important Dates

Exam Date :

09-Sep-2018 TO 05-Dec-1992

Form Notice Date :

05-Dec-1992 TO 05-Dec-1992

Admission Form Date :

06-Jun-2018 TO 05-Dec-1992

Form Submission Date :

02-Jul-2018 TO 05-Dec-1992

Result Date :

05-Dec-1992 TO 05-Dec-1992

Counselling Date :

05-Dec-1992 TO 05-Dec-1992

Admission Date :

05-Dec-1992 TO 05-Dec-1992