important points on NDA exam:
Exam Name NDA & NA
Full form of NDA National Defence Academy & Naval Academy Exam
Conducting Body Union Public Service Commission
Official Website upsc.gov.in
Exam Type National Level
Eligibility Criteria Unmarried Male candidates can apply
Mode of Application Online
Exam Mode Offline
Duration Mathematics: 2 hours 30 minutes
General Ability Test: 2 hours 30 minutes
Number of cities for exam centres 75
Exam helpdesk 011-23385271/011-23381125/011- 23098543
All the candidates need to meet the criteria with regard to nationality to be eligible for application. To be eligible, a candidate must be either one of the following:
A citizen of India
A subject of Nepal or Bhutan
A Tibetan refugee who moved to India, before January 1, 1962, with the intention of settling here permanently
A PIO (Person of Indian origin) is someone who has migrated from the countries specified below, with the intention of permanently settling in India. The nationals from the following countries would fall under this category such as Pakistan, Burma, Sri Lanka, East African Countries of Kenya, Uganda, the United Republic of Tanzania (Formerly Tanganyika and Zanzibar ), Zambia, Malawi, Zaire, Ethiopia, Vietnam.
Eligibility: Age Limit and Marital Status
To know the detailed information about the age limit of the NDA exam, go through the following table:
Age Limit Age (years)
Minimum Age 15.7 years (not later than 1st January 2005)/ 16 years during the commencement of course
Maximum Age 18.7 years (not earlier than 2nd January 2002)/ 19 years during the commencement of course
It should be clearly noted that only candidates, who are not born earlier than July 2, 2002, and not later than July 1, 2005, are eligible to appear for NDA 1 Exam.
For NDA 2 2021, candidates must be born between January 2, 2003, and January 1, 2006.
Married candidates are ineligible to apply for the NDA exam.
The date of birth mentioned in the application must be the same as that entered in the Matriculation or Secondary School Leaving Certificate.
In short, candidates should be between the age of 16.5 years and 19.5 years to be eligible for the exam.
Eligibility: Educational Qualification
It is different for different academies. Therefore, the aspirants should check the educational qualification
Navy, Air Force, and Naval Academy of NDA: The aspirants should qualify the Class 12 or HSC exam under the 10+2 exam pattern, which should be conducted by State Education Board or University.
Army Wing of NDA: The candidates should pass the exam of class 12 or HSC under a 10+2 pattern from any school education Board or an equivalent University
It must be noted that candidates studying in Class 11 are not eligible for appearing in NDA 1 or 2.
Those candidates who have failed INSB / PABT earlier will not be considered eligible for recruitment in the Air Force.
Those candidates, who are currently studying in Class 12 at the time of application, must submit proof of passing the exam by the deadline. Requests for extending the due date would not be entertained on any grounds.
It must also be noted that the candidates who have been debarred by the Ministry of Defence from holding any type of Commission in the Defence Services will be considered ineligible for admission to the exam
Eligibility: Physical Fitness
There are certain requirements pertaining to the physical fitness or features that must be fulfilled by the candidate at the time of submitting NDA Application forms.
The NDA eligibility criteria would vary slightly according to the post for which the candidate is applying.
It must be understood that if a candidate has resigned or withdrawn from any of the training academies of the Armed Forces, on disciplinary grounds, he will not be considered eligible to apply for NDA.
The required physical criteria are listed below.Undesirable Health Issues
The candidate must not be suffering from any of these minor conditions at the time of medical examination. read it carefully Body Tattoos
Height and Weight Requirements for Army and Air Force
The candidate must ensure that any permanent body tattoos are present only on the inner side of the forearm.
Under no circumstances will UPSC accept tattoos on the inside of the elbow to the wrist and on the reverse side of the palm/back (dorsal) side of the hand.
Permanent body tattoos on any other part of the body are also not acceptable.
In case the candidate happens to belong to a tribe where it is customary to have tattoo marks on the face or body, acceptance will be granted on a case-to-case basis, considering the traditions involved. The decision of authorities would be final in such instances.
Candidates must note that the minimum height measurement specified is 157 cms (162.5 cms for Air Force).
For Gorkhas and those belonging to hills of the North-Eastern areas of India, Garhwal, and Kumaon, the minimum height will be 5 cms less than the usual figure.
On the other hand, for candidates belonging to the Lakshadweep islands, the minimum height standard may be reduced by 2 cms.
The waist-hip ratio of the male candidates must be below 0.9 and for the female candidates, it must be below 0.8.
The details in this regard are discussed below.
Height in cm
Weight in Kg
In case the candidate wishes to be a pilot in the Air Force, the following requirements will have to be kept in mind, due to constraints of the flying vehicle:
Height and Weight Requirements for Navy
Leg Length: Minimum of 99 cms and Maximum of 120 cms
Thigh Length: Minimum is not applicable while Maximum of 64 cms
Sitting Height: Minimum of 81.50 cms and Maximum of 96 cms
The standards are different for Navy posts and the particulars are summarized below:
Height in cm
Weight in Kg
Upcoming NDA 2021 Exam Dates Spinal Conditions:
Presence of any of these conditions will disqualify the candidate immediately:
Granulomatous disease of the spine
Arthritis/spondylosis (Rheumatoid arthritis and allied disorders / Ankylosing spondylitis / Osteoarthritis, spondylosis and degenerative joint disease / Non-articular rheumatism (e.g. lesions of the rotator cuff, tennis elbow, recurrent lumbago, etc.) & Miscellaneous disorders including SLE, polymyositis, vasculitis.
Spondylolisthesis / spondylolysis.
Compression fracture of vertebrae.
SC Heuerman’s disease (Adolescent kyphosis)
Loss of cervical lordosis when associated with clinically restricted movements of the cervical spine.
Unilateral / Bilateral cervical ribs with demon stable neurological or circulatory deficit.
Scoliosis is more than 15 degrees as measured by Cobb’s method.
Degenerative Disc. Disease.
Presence of Schmorl’s nodes at more than one level.
Atlanto-occipital and atlantoaxial anomalies.
Hemi vertebrae and/or incomplete block (fused) vertebrae at any level in cervical, dorsal or lumbar spine and complete block (fused) vertebrae at more than one level in cervical or dorsal spine.
Unilateral Sacralisation or lumbarisation (Complete or incomplete) at all levels and bilateral incomplete sacralisation or lumbarisation.
Any other abnormality if so considered by the specialist.X-Ray Exam
There will be a separate presence of any of the following conditions will disqualify the applicant for posts of Armed Forces:
Granulomatous disease of the spine.
Arthritis / spondylosis
Scoliosis is more than 15 degrees as measured by Cobb’s Method (10 degrees for Army and Navy).
More than mild Kyphosis/Lordosis
Spondylolisthesis / Spondylosis / Spondylolysis
Herniated nucleus pulposus.
Compression fracture of Vertebra.
Cervical ribs with demonstrable neurological or Circulatory deficit.
Presence of Schmorl’s node at more than one level.
Atlanto-occipital and atlanto-axial anomalies.
Incomplete Sacralisation Unilateral or Bilateral
Spina Bifida other than SV 1 and LV 5 if completely Sacralised
Any other abnormality, if so considered by specialist
The following Visual standards must be met to be eligible for NDA exam:
NDA – Vision Standard For ARMY
Distance Vision (Corrected) >>>>>>>>>>>>>>>>>>>>>>>>> Better Eye 6/6; Worse Eye 6/9
Colour vision >>>>>>>>>>>>>>>>>>>>>>>>> CP-III (Defective Safe).
Myopia should not be more than -2.5D
Hypermetropia should not be more than +3.5D
NDA -Vision Standards for Air Force
Candidates who wear spectacle >>>>>>>>>>>>>>>>>>>>>>>>> Not eligible for Air Force
Minimum distant vision >>>>>>>>>>>>>>>>>>>>>>>>> 6/6 in one eye and 6/9 in other
>>>>>>>>>>>>>>>>>>>>>>>>> correctable to 6/6 only for Hypermetropia
Colour vision CPI Hypermetropia: +2.0 D Sph Manifest Myopia: Nil Retinoscopy Myopia
: 0.5 in any Meridian permitted Astigmatism : + 0.75 D Cyl (within + 2.0 D.Max)
NDA – Vision standard for Navy
NDA Eligibility: Miscellaneous Conditions
Uncorrected without glass -6/6, 6/9
Corrected with glass – 6/6, 6/6
Limits of Myopia – –0.75
Limits of Hypermetropia – +1.5
Binocular vision – III
Limits of colour perception – I
There are a few other physical conditions besides the above-mentioned criteria that candidates should fulfill. These criteria are specific to specific wings of defence forces.
No symptoms of a weak constitution or bodily defects.
A well-developed chest; fully expanded chest should not be less than 81cms. The minimum range of expansion after full inspiration should be 5 cms.
No mal-development or impairment of the function of the bones or joints.
No past history of mental breakdown or fits.
Normal hearing capabilities - Candidate should be able to hear a forced whisper with each ear at a distance of 610 cms. in a quiet room.
No impediment of speech.
Normal Blood Pressure with no signs of functional or organic disease of the heart and blood vessels.
No enlargement of liver or spleen.
No abnormality in urine examination
No presence of any kind of skin disease, likely to cause disability or disfigurement
No abnormalities in USG abdomen examination
A sufficient number of natural and sound teeth. A minimum of 14 dental points will be accepted.
Routine ECG for Air Force candidates must fall within normal limits.
NDA Latest Exam Centres
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