NDA

Hi Khaja,
Below is the eligibility criteria for NDA:
For army wing of national defence academy :- Class 12th 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:- Class 12th 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 class 12th 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.
I hope this will help you.
Wish you luck.

Hi,
Eligibility Criteria to write NDA exam-
(a) Nationality :
A candidate must either be :
i) a citizen of India, or
ii) a subject of Bhutan, or
iii) a subject of Nepal, or
iv) a Tibetan refugee who came over to India with the intention of permanently settling in India, or
v) a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka and East African Countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia and Vietnam with the intention of permanently settling in India.
Provided that a candidate belonging to categories (ii), (iii), (iv) and (v) above shall be a person in whose favor a certificate of eligibility has been issued by the Government of India.
Certificate of eligibility will not, however, be necessary in the case of candidates who are Gorkha subjects of Nepal.
(b) Age Limits, Sex and Marital Status :
A candidate must be an unmarried male and have attained the age of 16 1/2 years and must not have attained the age 19 years on the 1st January or 1st of July of the year succeeding the year of examination.
Candidates must not marry until they complete their full training. A candidate who marries subsequent to the date of his application, though successful will not be selected for training.
A candidate who marries during training shall be discharged and will be liable to refund all expenditure incurred on him by the Government.
(c) Educational Qualifications :
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.