nda 2021 answer key
Sunday | April 18, 2021

NDA 1 2021 has been conducted on April 18th, 2021. All candidates who have attended NDA (I) 2021 written test for admission to the Army, Navy and Air Force wings of the NDA for the 147th Course, and for the 109th Indian Naval Academy Course (INAC) commencing from 2nd January, 2022 can find Answer Key of NDA Paper 1 and NDA Paper 2 below.


Exam Name National Defence Academy & Naval Academy
Examination (NDA & NA)
Conducted by UPSC
Exam level National 
Exam category After Class 12
Frequency of exam Twice a year
Exam stages Written Test and SSB Interview 
Exam mode Offline 
Exam duration Five hours (Mathematics: 2 ½ hours,
General Ability Test (GAT): 2 ½ hours) 
Exam syllabus Mathematics: Algebra, Matrices and
Determinants, Trigonometry, Analytical
Geometry of two and three dimensions,
Differential Calculus, Vector Algebra,
Statistics and Probability. GAT: English,
General Knowledge, Physics, Chemistry,
General Science, Geography,
Current Events etc. 
Exam pattern GAT: 150 objective type questions
Mathematics: 120 objective type questions 
Language English and Hindi 
Exam purpose For admission to National Defence Academy
(NDA) and Indian Naval Academy
Course (INAC) 
Test cities 41
Exam helpdesk011-23385271/011-23381125/011- 23098543 
Official websiteupsc.gov.in

Experienced and Expert Faculty Members of Centurion Defence Academy have gone through the Full Paper of NDA-1-2021 and have made the accurate and reliable answer Key of All sets of NDA Paper 1(Mathematics) and All sets of NDA Paper 2(GAT) .

Students waiting for NDA and NA (I) Exam 2021 Paper solution sheet, NDA 1 2021 Cut off Marks can now find answer key below. Aspirants can have a look at the Answer keys for their NDA 1 2021 Maths written exam AND NDA 1 2021 GAT written exam, here of paper-1st and paper-2nd with set-a, set-b, set-c, set-d.

Download MATHS Answer Key

Download GAT Answer Key

Offline Admission 2021 Alert at Centurion Defence Academy

Tuesday | August 3, 2021

As the spread of coronavirus is gradually decreasing, Centurion Defence Academy is back again with its offline classes to help defence aspirants in their exam preparation with a more interactive and versatile approach. Offline Admission 2021 new batch started With the establishment of North India’s largest GTO ground to provide extensive training facilities for SSB, […]

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Message From The Academic Head For All NDA Aspirants

Friday | July 9, 2021

Dear Aspirants! I would like to express my best wishes to all the students of Centurion Defence Academy & other defence aspirants on their selection in written examination of NDA, NA 1 ( 2021).  It’s the moment of honour for the Centurion Defence Academy for getting remarkable selections of its students across India. Each one […]

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NDA-1 2021 Result Out – Download PDF

Wednesday | June 30, 2021

UPSC Released National Defence Academy and Naval Academy Examination (I), 2021 Written Results. Heartiest congratulations to all NDA aspirants who have qualified NDA-1 2021 examination and added feathers of success to Centurion’s crown. During this pandemic also, students kept their preparation tuned under the guidance of Team Centurion. Their hard work paid them off with […]

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