Combined Defence Service exam is conducted by UPSC twice every year for recruitment to office cadre of the Army, Navy and Air force. CDS exam is conducted generally in the months of May and October.

exampapers.info/category/education" title='Read more about Education'>Educational Qualifications:

For IMA /OTA : A degree from a recognized University or equivalent.

For Naval Academy: B.Sc. with Physics and/or Mathematics or Bachelor of exampapers.info/category/engineering" title='Read more about Engineering'>Engineering.

For Air Force Academy: B.Sc. of a recognized University or equivalent with Physics and/or Mathematics as subjects or Bachelor of exampapers.info/category/engineering" title='Read more about Engineering'>Engineering.

Age:

For IMA: Unmarried male candidates between 19-24 years on 1st January or 1st July of the year succeeding the year of examination.

For Naval Academy: Unmarried male candidates between 19-22 years on 1st January or 1st July of the year succeeding; the year of examination.

For Air Force Academy: Unmarried male candidates between 19-23 years on 1st January or 1st July of the year succeeding the year of examination.

For Officers Training Academy: Male candidates (married or unmarried) between 19-25 years on 1st January or 1st July of the year succeeding the year of examination

Examination

Plan of the Examination: The examination comprises:

(a) Written Examination
(b) Interview for intelligence and personality test of such candidates as may be called for interview at one of the Services Selection Centers

Examination Subjects:

The following will be subjects for the written examination (each of 2 hours duration):

(a) For admission to Indian Military Academy, Naval Academy and Air Force Academy:

English – This paper tests the understanding of the English language.
General Knowledge – This tests the general knowledge, current events, history of India, geography of nature and other matters of everyday observation.
Elementary Mathematics – This paper covers arithmetic, algebra, geometry, trigonometry, and statistics.

(b) For Admission to Officers Training Academy (OTA):

English – This paper tests the understanding of the English language.
General Knowledge – This tests the general knowledge, current events, history of India, geography of nature and other matters of everyday observation.

The maximum marks allotted to the written examination and to the interviews will be equal for each course i.e. the maximum marks allotted to the written examination and to the interviews will be 300,300,300 and 200 each for admission to the Indian Military Academy, Naval Academy, Air Force Academy and Officers� Training Academy respectively.

Note:

(i) The papers in all subjects will consist of OBJECTIVE-TYPE (Multiple-Choice questions only). The question papers will be set in English only.
(ii) Each paper will be of 2 hours duration and will carry 100 marks.

Standard of Examination:

The standard of the paper in Elementary Mathematics will be of the Matriculation Examination. The standard of papers in other subjects will approximately be such as may be expected of a graduate of an Indian University.