Indian Air Force- Group X

Indian Air Force Online Test Series- Unlimited Mock Test

Under the Indian Defence there are many Popular Jobs, "Airmen in Group X" is one of them.  Indian Airforce conducts the online examination two times(first in March and second in September) in a year for the recruitment of Airmen in Group X and Group Y Trades. For X group candidates, who have pa...(Read More)

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Under the Indian Defence there are many Popular Jobs, "Airmen in Group X" is one of them.  Indian Airforce conducts the online examination two times(first in March and second in September) in a year for the recruitment of Airmen in Group X and Group Y Trades. For X group candidates, who have passed 10+2 in Mathematics, Physics, and English with minimum 50% marks or having a polytechnic diploma of Three years with minimum 50% marks, may apply for this Group. For Y group candidates, who have passed 10+2 or equivalent in any subject with 50% marks, may apply for this Group.

Candidates will be selected on the basis of online Test, Physical standard Test (PST) and medical Examination.

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  • Exam Pattern

    Total Marks : 70
    Total Time : 60 Min
    -ve marking : 0.25 (For each wrong answer)
    Subject Qns. Marks
    English 20 20
    Physics 25 25
    Mathematics 25 25
    Total 70 70


    Exam Introduction

    The Indian Air Force Group X Exam is an online exam, conducted to select technical and non-technical Airmen for the Air Force via a series of written and physical fitness exams. This exam is conducted by the Air Force to fill vacancies for ground duties according to the trade of the selected airmen. 

    Some points to note for application to the Air Force Group X exam:

    - Only married/unmarried Males (Indian/Nepalese) can apply.

    - Female applicants are not eligible to apply.

    - Applicant may be a civilian or a serving Non-Combatant Enrolled employee of the Air Force. 

    Eligibility Criteria

    Essential Educational Qualifications:

    Group ‘X’ (Except Education Instructor Trade).

    Candidate must have passed Intermediate / 10+2 or any equivalent examination with subjects-  Mathematics, Physics and English and must have secured minimum 50% marks in aggregate and 50% marks in English.


    Must have passed 3 years Diploma Course in Engineering in any stream (streams mentioned below) from a Government recognized Polytechnic Institute with 50% marks in aggregate, and 50% marks in English in Diploma or in Intermediate/Matriculation, if English is not a subject in Diploma Course.


    Engineering streams valid for Air Force Group X exam:

    - Mechanical Stream

    - Mechanical Engineering

    - Mechanical Engineering (Design & Drafting)

    - Mechanical Engineering (Foundry Technology)

    - Mechanical Engineering (Machine Tool Maintenance and repairs)

    - Mechanical Engineering (Refrigeration & Air Conditioning)

    - Mechanical Engineering (Tool & Die)

    - Mechanical Engineering (Production)

    - Mechanical Engineering (Fabrication Tech)

    - Mechanical Engineering (CAD/CAM Design & Robotics)

    - Mechanical (Advanced Manufacturing Technology)

    -Manufacturing Engineering/Technology

    - Production Engineering

    - Automobile Engineering

    - Advanced Diploma in Refrigeration & Air-conditioning

    - Mechatronics

    - Electrical/Electronics/IT Stream

    - Electronics

    - Applied Electronics

    - Electronics & Communication Engineering

    - Electronics (Microprocessor)

    - Electronics and Avionics

    - Electronics (Fibre Optics)

    - Electronics (Robotics)

    - Electronics and Instrumentation Engineering

    - Electronics & Telecommunication Engineering

    - Industrial Electronics

    - Electrical Engineering

    - Electrical & Electronics Engineering

    - Instrumentation Engineering / Technology

    - Instrumentation and Control Engineering

    - Telecommunication Engineering/Technology

    - Information Technology

    - Computer Engineering

    - Computer Science & Engineering

    - Computer Science & Technology

    Note - 1: Candidate eligible for Group ‘X’ examination (on the basis of intermediate/10+2) are also eligible for Group Y and would be given an option of appearing in both group X and Group Y exam in one sitting while filling up the online registration form.

    Note - 2: Diploma holders are eligible to appear for Group X trades only.

    Note - 3: Education Boards listed in Council of Boards for School Education (COBSE) website as members, as on date of registration shall only be considered.

    Note - 4: Exact aggregate percentage of marks before decimal as written in the marks sheet of 10+2/ Intermediate/Equivalent Examination/Three years Diploma Course OR calculated as per the rules of concerned Education Board/Polytechnic Institute shall only be considered (For example 49.99% should be taken as 49% and not to be rounded off to 50%).


    Age limit:

    Date of Birth Block:-

    (a) Candidate born between 17 January 2000 and 30 December 2003 (both days inclusive) is eligible to apply for Air Force Group X 2021.

    (b) In case, a candidate clears all the stages of the selection procedure, then the upper age limit as of the date of enrolment is 21 years.


    Mandatory Medical Standards 

    General Medical Standards for Group ‘X’ (Except Education Instructor Trade) 

    (i) Height: Minimum acceptable height shall be 152.5 cms.

    (ii) Chest: Minimum range of expansion: 5 cm

    (iii) Weight: Proportionate to height and age. However, a minimum weight of 55 Kg required for Operations Assistant (ATS) Trade only.

    (iv) Corneal Surgery (PRK/ LASIK) shall not be acceptable.

    (v) Hearing: Candidate should have normal hearing i.e. able to hear forced whisper from a distance of 6 meters with each ear separately.

    (vi) Dental: Should have healthy gums, a good set of teeth, and a minimum of 14 dental points.

    (vii) General Health: Candidate should be of normal anatomy without loss of any appendages. He should be free from any active or latent, acute or chronic, medical or surgical disability or infection, and skin ailments. Candidate shall be physically and mentally FIT to perform duty in any part of the world, in any climate and terrain.


    The minimum height acceptable for recruitment will be 152.5 cms. For the following trades the minimum required height (determined at training centers) would be as indicated:-

    Sl. No. Trade Candidates From Candidates From
        NE & Hill States Other States
    (a) Auto Tech 162.5 cm 165 cm
    (b) GTI and PJI 162.5 cm 167 cm
    (c) IAF (P) 175 cm 175 cm
    (d) Musician 162 cm 162 cm

    Candidates from NE and Hill states include Gorkhas, Kumaonis, Garhwalis, Assamese, and those belonging to the States of Nagaland, Manipur, Mizoram, Meghalaya, Arunachal Pradesh, Tripura, Sikkim, and hilly areas of Uttaranchal.

    Trade Visual Acuity Maximum limits of Ref error Color Vision Leg Length
    Workshop Fitter (Mechanical), Workshop Fitter (Smith), Structure Fitter, Propulsion Fitter, Electronic Fitter, Electrical Fitter, Weapon Fitter, *Automobile Fitter, *Mechanical System Fitter 6/12 each eye correctable to 6/6 each eye Hypermetropia +2.0D Myopia1D including +/- 0.50 astigmatism CP-II Minimum leg length required for Mechanical System Fitter and Automobile Fitter is 99 cm.

    Exam Pattern

    Scheme of Examinations

    The Examination will be conducted in four tiers as indicated below:

    Phase-I: Online Written Test 

    Phase-II: Physical Fitness Test, AT-I and AT-II Test

    Phase-III: Medical Fitness Test


    Scheme of Phase-I Examinations:

    Online Test {For both Group ‘X’ Trades ( except Education Instructor Trade)}

    S.No Subject Number of Questions Maximum Marks Negative Marking Time Allowed
    I English 20 20 0.25 (For each wrong answer) 60 minutes
    II Physics 25 25    
    III Mathematics 25 25    


    Scheme of Phase-II Examinations:

    Physical Fitness Test (PFT)

    Candidates will be required to complete the following Physical Fitness Tests: 

    - 1.6 Km run within 06 minutes 30 seconds.

    - 10 Push-ups, 

    - 10 Sit-ups

    - 20 Squats within the stipulated time to qualify in the Physical Fitness Test.

    Note: Candidates are advised to bring their sports shoes and shorts/track pants.


    Adaptability Test- 1 (For Group ‘Y’ Trades)

    All candidates who pass the Physical Fitness Test (PFT) will be required to undertake Adaptability Test-1 (objective type written test). This assesses the suitability of a candidate for employment in the IAF which involves deployment in different geographic terrains, weather and operational conditions.


    Adaptability Test- 2 (For Group ‘Y’ Trades)

    All candidates who have passed Adaptability Test - 1 will be required to undertake Adaptability Test- 2 as per policy at the time. Adaptability Test- 2 is to select candidates who can adapt to the environment of the Indian Air Force and are able to adjust to the military way of life.

    Note: Candidates who qualify the Selection Tests of more than one Group/Trade-in Scheduled Test and Rallies held during the cycle January to June 2020 and whose names appear in more than one PSLs published on the same date i.e, 31 October 2020 shall be called for enrolment in only one Group/Trade as per the requirement of IAF.


    Scheme of Phase-III Examinations:

    Medical Examination:

    Candidates qualifying for the Adaptability Test-2 shall be issued with a medical appointment letter at respective ASCs. It can also be downloaded using candidate’s login on CASB web portal for their medical examination at designated Medical Boarding Centre (MBC) on a specified date. Medical Examination shall be conducted by Air Force Medical Team as per IAF medical standards and policy at the time on subject issue. Medical examination would also include baseline investigation of: -

    (a) Blood Haemogram - Hb, TLC, DLC

    (b) Urine RE/ME

    (c) Biochemistry :- (i) Blood Sugar Fasting & PP (ii) Serum Cholesterol (iii) Urea, Uric acid, Creatinine (iv) LFT—Serum Bilurubin, SGOT, SGPT

    (d) X-Ray chest (PA view)

    (e) ECG (R)

    (f) Tests for Narcotic Drug and Psychotropic Substance Abuse.

    (g) Any other test necessary in the opinion of the Medical Officer.


    Syllabus for Phase-I:


    I. A short passage followed by four questions to test comprehension.

    The questions will be set:

    1. To judge understanding of the passage.

    2. To draw an inference

    3. To judge understanding of vocabulary

    II. Grammar – 1

    1. Subject–verb agreement

    2. Forms of verbs and errors in the use of verbs, etc.

    3. Sequence of tenses and errors in the use of tenses

    4. Transformation of sentences – Compound, Complex, Simple, Negative, Affirmative, Comparative degree, Positive degree, Superlative degree etc.

    III. Grammar – 2

    1. Formation of words - Nouns from verbs and adjectives, Adjectives from nouns and verbs, Adverbs from adjectives etc

    2. Determiners

    3. The Preposition

    4. Nouns and Pronouns

    5. The Adjective

    6. The Adverb

    7. The Conjunction

    8. The Modals

    9. Clauses - Noun clauses, Adverb clauses of condition and time, and Relative clauses

    IV. Vocabulary

    1. Synonyms and Synonyms in context

    2. Antonyms and Antonyms in context

    3. One-word substitution

    4. Spelling pitfalls

    5. Simple Idioms/phrases

    6. Words often confused/Selecting the correct word fitting in a sentence

    V. Narration (Direct and Indirect)

    1. Commands and requests

    2. Statements (Various tenses)

    3. Questions (Various forms of questions, tenses, etc.)

    VI. Voice (Active and Passive)

    1. Changes required under each tense.

    2. Other conditions for transforming Active into Passive (a) The Preposition (b) Modal auxiliaries (c) Infinitive (d) Participles

    VII. Jumbled Sentences



    1. Physical World and Measurement

    2. Kinematics

    3. Laws of Motion

    4. Work, Energy and Power

    5. Motion of System of Particles and Rigid Body.

    6. Gravitation

    7. Properties of Bulk Matter



    1. Sets, Relations and functions

    2. Trigonometric Functions

    3. Inverse Trigonometric Functions

    4. Complex Number and Quadratic Equations

    5. Linear Inequalities

    6. Mathematical Induction

    7. Permutations and Combinations

    8. Binomial Theorem

    9. Sequences and Series

    10. Cartesian system of rectangular co-ordinates

    11. Straight lines and family of lines

    12. Circles and family of circles

    13. Conic sections

    14. Three-dimensional Geometry

    15. Matrices and Determinants

    16. Limit and Continuity

    17. Differentiation

    18. Applications of Derivatives

    19. Indefinite integrals

    20. Definite Integrals

    21. Applications of the Integrals

    22. Differential Equations

    23. Mathematical Reasoning

    24. Linear Programming

    25. Vector

    26. Probability

    27. Statistics

    Application Fee

    An examination fee of Rs.250/- is to be paid by the candidate while registering for the online examination.


    Mode of Payment:

    The payment can be made by using Debit Cards/ Credit Cards/Internet Banking through the payment gateway. The examination fee can also be paid by Challan payment at any Axis Bank Branch.

    How to Apply

    Online registration for Air Force Group X exam 2021 on 

    Detailed instructions on how to register/fill-up the application form are available on the web portal. 

    Candidates are supposed to follow the given instructions strictly. 

    1. On the official website of CASB, click on 'New Registration. 

    2. Fill in your basic information to complete registration.

    3. A provisional registration number and a system-generated password will be provided which must be marked for future reference.

    4. Complete the application form carefully and verify the details in every section. Now click on "Save and Next".

    5. Upload your scanned photograph and signature in the required format and size. 

    6. Submit the form.

    7. Pay the application fee. Keep a printout of the e-receipt and online application for your future reference.

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