NDA

Hi Abhishek,
Every institute has it's own course specific fee structure. In order to know the exact fee it would be always advisable to browse through the official website of the institute where you wish to apply.
Below is the eligibility criteria for NDA.
For Army wing of National Defence Academy :- 12th Class pass of the 10+2 pattern of School Education or equivalent examination conducted by a State Education Board or a University.
For Air Force and Naval Wings of National Defence Academy and for the 10+2 (Executive Branch) Course at the Naval Academy :- 12th Class pass of the 10+2 pattern of School Education or equivalent with Physics and Mathematics conducted by a State Education Board or a University.
Candidates who are appearing in the 12th Class under the 10+2 pattern of School Education or equivalent examination can also apply.
For admissions, one has to fill the application form. application form along with an Information Brochure containing general instructions for filling up the form, an acknowledgement card and an envelope for sending the application will be obtainable from the designated Head Post Offices/ Post Offices throughout the country on payment of a requisite amount. Blank application forms and other particulars are published by UPSC in leading newspapers and Employment News in the month of March and September.
Hope this helps.
Wish you luck.

Hello dear
UPSC conducts NDA (National Defence Academy) Exam in Two Stages.
I. Written Examination
II. Interview
I. Written Examination: 900 marks
The exam will constitute 2 subjects, Maths and General Ability Test and each subject is given the time limit 2 ½ Hours, maximum marks for Maths is 300 & General ability is 600. The papers in all the subjects will consist of objective type questions only. The question papers of Mathematics & Part B of General Ability Test will be set bilingually in Hindi as well as English. The Commission have discretion to fix qualifying marks in any or all the subjects at the examination.
II. Interview: 900 marks
Qualified candidates in the written examination will be called for Interview conducted by SSB (Services selection board). For Army, Navy Wings & 10 +2 Entry Scheme candidates need to undergo Intelligence Test & Personality Test, but for Air Force Wing the candidates must attend a Pilot Aptitude Test. The Interview Consists both Intelligence & Personality Test.
Grand total stage 1 + stage 2 = 1800
Hope this helps you.
thanks
Best of luck