Age and education is two of many eligibility conditions for appearing in NDA exam to become officer in India Defense Forces which fortunately you fulfill. However you can check below given details for your other eligibility conditions for various defense forces in India. These are as follows:
Educational Qualification for Army Wing of NDA
Candidate must be 12th Class pass of the 10+2 pattern of School Education or equivalent examination conducted by a State Education Board or a University
Educational qualification for Air Force and Naval Wings of NDA and for 10+2 (Executive Branch) Course at Naval Academy
Candidates appearing for National Defense Academy Examination must be 12th Class pass i.e. the 10+2 pattern of School Education or equivalent with Physics and Mathematics conducted by a State Education Board or a University
Those who are taking +2 final exam or appeared in the said exam in the present year can also appear for the entrance test provisionally subject to their fulfilling the conditions later.
Other eligibility Conditions:
Age
The candidate should be between 16-1/2 to 19 years of age.
Nationality
A candidate must either be :
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.
Required Marital Status for appearing in NDA
The candidates should be single at the time of joining any of the defense services academies.