The Indian Air Force Group X & Y Recruitment Exam is conducted to select airmen for technical (Group X) and non-technical (Group Y) roles. This highly competitive exam assesses your skills in subjects like English, Physics, Mathematics, Reasoning, and General Awareness. This guide provides the complete syllabus with detailed topics, marks, books, PDF download, and preparation tips, tailored for 2025 aspirants.

Exam Overview

Exam Component	Details
Name	Indian Air Force Group X & Y Exam 2025
Conducted By	Central Airmen Selection Board (CASB)
Mode	Online CBT (Computer-Based Test)
Duration	X: 60 mins, Y: 45 mins, X+Y: 85 mins
Total Questions	X: 70, Y: 50, Both: 100
Maximum Marks	X: 70, Y: 50, Both: 100
Marking Scheme	+1 per correct, -0.25 for wrong answers
Medium	English & Hindi
Eligibility	Group X: PCM in 10+2; Group Y: Any stream 10+2

Subject-Wise Detailed Syllabus – Indian Air Force Group X & Y

Group X (Technical) – Subject-Wise Syllabus

1. English (20 Marks)

Topic	Topic Details
Comprehension	Passage-based MCQs to test reading ability, vocabulary, and inference.
Grammar	Tenses, subject-verb agreement, articles, and voice transformation.
Sentence Rearrangement	Reordering jumbled sentences into a meaningful paragraph or sequence.
Synonyms/Antonyms	Identification of words with similar/opposite meanings to improve vocabulary.
Idioms and Phrases	Interpretation and usage of commonly used English idioms in context.
Fill in the Blanks	Choosing the right word(s) to complete sentences meaningfully.
Error Detection	Spotting grammatical or contextual errors in a sentence.
Cloze Test	Paragraphs with blanks to assess grammar and vocabulary usage simultaneously.

2. Physics (25 Marks)

Topic	Topic Details
Physical World & Measurement	Fundamental units, dimensions, measurement errors, significant figures.
Kinematics	Motion in a straight line and plane, displacement, velocity-time graphs.
Laws of Motion	Newton’s laws, friction, inertia, circular motion applications.
Work, Energy, and Power	Definitions, work-energy theorem, conservation of energy.
Motion of System of Particles	Center of mass, torque, momentum conservation in collisions.
Gravitation	Universal law, acceleration due to gravity, satellite motion.
Thermodynamics	Zeroth, First, and Second Laws, heat engines, efficiency.
Oscillations and Waves	SHM, simple pendulum, resonance, types of waves, Doppler Effect.
Electrostatics	Electric charges, Coulomb’s law, potential, capacitance, Gauss’s law.
Current Electricity	Ohm’s law, resistivity, EMF, circuit laws, series and parallel combinations.
Magnetic Effects	Magnetic field, solenoids, forces on charges, moving coils.
Electromagnetic Induction	Faraday’s laws, Lenz’s law, self and mutual induction.
Optics	Reflection, refraction, lens/mirror formulas, interference, diffraction.
Modern Physics	Photoelectric effect, Bohr’s theory, nuclear fission/fusion, radioactivity.

3. Mathematics (25 Marks)

Topic	Topic Details
Sets, Relations, Functions	Types of sets, Cartesian product, functions and their graphs.
Trigonometry	Trigonometric ratios, identities, equations, height & distance problems.
Complex Numbers	Properties, Argand plane, square root of complex numbers.
Quadratic Equations	Factorization, nature of roots, discriminant-based problems.
Permutation & Combination	Counting principles, factorial notation, combinations in probability.
Binomial Theorem	Expansion of expressions, general and middle terms.
Sequence and Series	Arithmetic, geometric progressions and their summations.
Straight Lines & Circles	Slope, distance between points, general equation of circle.
3D Geometry	Direction cosines, line equations, planes in 3D space.
Limits & Derivatives	Continuity, differentiability, basic derivative formulas.
Integration	Indefinite and definite integrals, area under curves.
Differential Equations	Order and degree, formation and solution of basic equations.
Probability	Classical and statistical probability, Bayes’ theorem.
Statistics	Measures of central tendency, variance, and standard deviation.

Group Y (Non-Technical) – Subject-Wise Syllabus

1. English (20 Marks)

Same syllabus and topic details as Group X English.

2. Reasoning & General Ability (10 Marks)

Topic	Topic Details
Verbal Reasoning	Questions on patterns, number/letter series, analogies.
Coding-Decoding	Transformation of letters/numbers based on rules.
Blood Relations	Relationship puzzles, family trees, coded relations.
Direction Sense	Position-based reasoning using directions.
Number Ranking	Finding ranks based on positions in numerical or alphabetical order.
Mathematical Operations	Simplifying expressions using BODMAS, sequences, or number analogies.
Syllogism	Logical reasoning based on statements and conclusions using Venn diagrams.

3. General Awareness (20 Marks)

Topic	Topic Details
Current Affairs	Recent national/international events, sports, awards, and summits.
Indian History	Ancient civilizations, freedom struggle, key movements.
Geography	Physical features, rivers, climate, states and capitals.
Civics & Constitution	Preamble, rights & duties, Parliament, President, judiciary system.
Science & Technology	Recent discoveries, scientific instruments, human anatomy.
Indian Economy	Budget, GDP, inflation, major economic institutions.
Defense & Space	Indian Armed Forces, ISRO missions, missiles, satellites.
Environment & Ecology	Pollution, wildlife conservation, global warming, sustainability efforts.

Air Force Group X & Y Syllabus PDF Download

Click here to download the complete syllabus PDF

Recommended Books

Subject	Book Title	Author/Publisher
English	Objective General English	S.P. Bakshi (Arihant)
Physics	NCERT Class 11 & 12	NCERT
Mathematics	Airforce X Group Guide	Arihant Publications
Reasoning	A Modern Approach to Verbal Reasoning	R.S. Aggarwal
General Awareness	Lucent’s General Knowledge	Lucent Publications
Practice Papers	Airmen Group X & Y Practice Sets	Arihant/Ace/Paramount

Preparation Tips

• Analyze Syllabus – Break the syllabus into weekly tasks.
• Follow NCERTs – Especially for Physics and Maths.
• Take Mocks Weekly – Analyze mistakes after each mock.
• Solve PYQs – Practice previous year questions for pattern awareness.
• Use Flashcards – Especially for English vocab and GK facts.
• Stay Consistent – Daily 4–5 hours of study with time-blocking.

Specialization & Trade-Wise Focus

Trade	Focus Area
Technical (X)	English + Physics + Mathematics
Non-Technical (Y)	English + Reasoning + General Awareness
Medical Assistant	Biology + English + Chemistry
Musician	Instrumental knowledge + Basic Music Theory

Physical Fitness Test (PFT)

Test Item	Criteria
1.6 km Run	Within 6 minutes 30 seconds
Push-Ups	Minimum 10
Sit-Ups	Minimum 10
Squats	Minimum 20

Conclusion

The Air Force Group X & Y syllabus 2025 requires a strong foundation in academics and logical thinking. This detailed breakdown gives you everything—from topics and marks to preparation and books—to help you succeed. Focus on concept clarity, time-bound practice, and physical fitness to ace the exam and join the Indian Air Force with pride!