JEE Main 2027 Syllabus: Complete Chapter List, Deleted Topics, and What to Focus On
By jee_chem_wizard • 9 March 2026 • 6 min read
Tags: JEEMain2027Syllabus, JEE2027, JEEDeletedTopics, JEEMainSyllabus, JEEPrep2027, JEEChapterWeightage
JEE Main 2027 Syllabus: The Definitive Guide
NTA reduced the JEE Main syllabus significantly in 2024, removing topics that were not covered in the NCERT Class 11–12 curriculum. For 2027, this reduced syllabus is confirmed as the baseline — no further reductions, no additions.
If you are preparing for JEE Main 2027 and using old study materials or coaching notes from 2023 or earlier, this guide will show you exactly what is no longer tested and where to focus your time.
What Was Deleted in the 2024 Reduction (Still Out for 2027)
Physics — Removed Topics
- Communication Systems (entire chapter removed)
- Experimental Skills (the vague "lab-based" section that appeared occasionally)
- Some sub-topics from Properties of Matter (viscosity sub-sections)
- Electromagnetic Waves: reduced coverage (absorption, transmission, reflection spectrum details removed)
Chemistry — Removed Topics
- Environmental Chemistry (entire chapter removed from JEE Main)
- Chemistry in Everyday Life (removed)
- Surface Chemistry: reduced (colloids sub-topics, emulsion details removed)
- Biomolecules: reduced to DNA/RNA overview only (detailed enzyme kinetics removed)
- Some industrial chemistry sub-topics (Solvay process details, Contact process details reduced)
Mathematics — Removed Topics
- Mathematical Reasoning (entire chapter removed — Venn diagrams, truth tables no longer tested)
- Statistics: reduced (mean deviation, standard deviation weightage significantly cut)
- Sets and Relations: some sub-topics reduced
Complete 2027 Syllabus by Subject
Physics (20 Chapters)
| Chapter | Approx. Weightage |
|---|---|
| Modern Physics (Atoms, Nuclei, Dual Nature) | High (8–12%) |
| Electrostatics | High (7–10%) |
| Current Electricity | High (7–10%) |
| Magnetism and Moving Charges | Medium-High (6–9%) |
| Electromagnetic Induction + AC | Medium-High (6–9%) |
| Optics (Ray + Wave) | Medium-High (6–9%) |
| Work, Energy and Power | Medium (5–7%) |
| Laws of Motion + Friction | Medium (5–7%) |
| Kinematics | Medium (4–6%) |
| Rotational Motion | Medium (4–6%) |
| Thermodynamics | Medium (4–6%) |
| Waves and Oscillations | Medium (4–6%) |
| Gravitation | Low-Medium (3–5%) |
| Fluid Mechanics | Low-Medium (3–5%) |
| Properties of Matter (Elasticity, Thermal) | Low-Medium (3–5%) |
| Semiconductor Devices | Low (2–4%) |
| Electromagnetic Waves | Low (1–3%) |
| Units and Dimensions | Low (1–3%) |
| Kinetic Theory of Gases | Low (1–3%) |
| Experimental Physics (basic only) | Very Low |
Most tested in Section B numerical: Current Electricity, Kinematics, Work-Energy, Modern Physics, Fluid Mechanics.
Chemistry (20 Chapters)
| Chapter | Approx. Weightage |
|---|---|
| Organic Chemistry: Reactions and Mechanisms | High (15–20%) |
| Chemical Bonding and Molecular Structure | High (8–12%) |
| Coordination Compounds | High (7–10%) |
| Electrochemistry | High (6–8%) |
| Thermodynamics (Chemical) | Medium-High (6–8%) |
| Chemical Equilibrium + Ionic Eq. | Medium-High (5–8%) |
| Atomic Structure | Medium (5–7%) |
| p-Block Elements (Group 15–18) | Medium (5–7%) |
| d and f Block Elements | Medium (4–6%) |
| Solid State | Medium (4–6%) |
| Solutions | Medium (4–6%) |
| Chemical Kinetics | Medium (4–6%) |
| s-Block Elements | Low-Medium (3–5%) |
| Hydrogen and its Compounds | Low-Medium (3–5%) |
| Haloalkanes and Haloarenes | Low-Medium (3–5%) |
| Alcohols, Phenols, Ethers | Low-Medium (3–5%) |
| Aldehydes, Ketones, Carboxylic Acids | Low-Medium (3–5%) |
| Amines | Low (2–4%) |
| Polymers | Low (1–3%) |
| Biomolecules (DNA/RNA overview only) | Low (1–2%) |
Most tested in Section B numerical: Electrochemistry, Thermodynamics, Chemical Kinetics, Solutions (colligative properties), Mole Concept within bonding chapters.
Mathematics (14 Chapters)
| Chapter | Approx. Weightage |
|---|---|
| Coordinate Geometry (Circles, Conics) | High (15–20%) |
| Calculus (Limits, Differentiation, Integration) | High (20–25%) |
| Algebra (Quadratics, Sequences, Binomial) | High (12–16%) |
| Matrices and Determinants | Medium-High (8–10%) |
| Probability | Medium-High (7–10%) |
| Vectors and 3D Geometry | Medium (6–8%) |
| Trigonometry | Medium (6–8%) |
| Complex Numbers | Medium (5–7%) |
| Permutations and Combinations | Medium (4–6%) |
| Sets, Relations, Functions | Low-Medium (4–6%) |
| Statistics | Low (2–4%) |
| Mathematical Induction | Low (1–3%) |
| Heights and Distances | Low (1–2%) |
| Inverse Trigonometry | Integrated with Trigonometry above |
Most tested in Section B numerical: Calculus (definite integrals, area under curve), Coordinate Geometry, Matrices and Determinants.
The Most Impactful Study Strategy Given This Syllabus
Rule 1: Never Study a Deleted Topic
This sounds obvious but many aspirants — especially those using 2022 or older FIITJEE/Resonance modules — are wasting hours on Communication Systems, Environmental Chemistry, and Mathematical Reasoning. These do not appear in JEE Main 2027. Verify any chapter you study against the current official syllabus.
Rule 2: Physics and Chemistry Weightage Shifted Toward Organic/Modern
The 2024 reduction disproportionately removed low-difficulty chapters. What remains is more concentrated in the higher-difficulty range. This means:
- Average question difficulty in the remaining topics has effectively increased
- Scoring 80+ in Chemistry requires genuine command of Organic mechanisms and Coordination Chemistry — not just formulaic substitution
Rule 3: Maths Weightage Concentration
With Mathematical Reasoning gone, the remaining 14 chapters carry 100% of the Math marks. Calculus alone accounts for 20–25% of Math. If Calculus is your weak area, fixing it has the highest ROI of any Maths investment.
Where to Find the Official 2027 Syllabus
The official NTA JEE Main syllabus is available at: jeemain.nta.ac.in → Syllabus section.
Do not rely on coaching institute syllabi alone — they sometimes lag official updates by one cycle. Cross-check any chapter you are studying against the NTA official document.
Conclusion
JEE Main 2027 has a stable, known syllabus. No surprise deletions, no surprise additions. The 2024-reduced syllabus is the baseline — 54 chapters total, with clear weightage patterns observable from 2024–2026 papers. Use the weightage table above to allocate your preparation time proportionally, and ensure you are not studying deleted topics from old materials.
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