Courses
By rohit.pandey1
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Updated on 17 May 2025, 18:19 IST
The Central Board of Secondary Education (CBSE) periodically reviews and rationalizes its syllabus to align with evolving educational needs and to reduce academic stress on students. For the academic year 2024-25, CBSE has announced a reduced CBSE Class 9 Syllabus, continuing its efforts to focus on core concepts and promote deeper learning. These year-specific changes aim to provide students with a more manageable workload while ensuring they acquire a strong foundational understanding across all subjects. This article delves into the specifics of the deleted syllabus for CBSE Class 9 in 2025 across all major subjects, providing clarity and guidance for students and educators alike.
The deleted syllabus for CBSE Class 9 in 2025 refers to the specific topics and chapters that have been officially removed from the prescribed curriculum for the current academic year. This means that questions from these deleted portions will not be included in the examinations conducted by the CBSE. Understanding the deleted syllabus is crucial for students to streamline their preparation and focus on the topics that are part of the assessable curriculum.
CBSE's decision to reduce the syllabus stems from several considerations:
The reduction in syllabus has several implications for Class 9 students:
To provide a clear picture, here's a subject-wise breakdown of the topics that have been removed from the CBSE Class 9 syllabus for the academic year 2024-25. Please note that this information is based on the latest updates and is subject to official CBSE notifications.
| Chapter | Deleted Topics |
| Number System | Representation of decimals on number line, Rationalization of real numbers (entire chapter) |
| Polynomials | Remainder Theorem, Factor Theorem |
| Algebraic Identities | (x+y+z)2(x+y+z)^2(x+y+z)2, x3+y3+z3–3xyzx^3+y^3+z^3–3xyzx3+y3+z3–3xyz identities |
| Coordinate Geometry | — (No significant deletions reported) |
| Lines and Angles | — (No significant deletions reported) |
| Triangles | Inequalities in a triangle (entire exercise and theorems) |
| Quadrilaterals | — (No significant deletions reported) |
| Areas of Parallelograms & Triangles | Entire chapter removed |
| Circles | Minor adjustments possible (check CBSE syllabus) |
| Constructions | Construction of triangle with given perimeter and base angles |
| Heron's Formula | Application to area of a quadrilateral |
| Surface Areas and Volumes | — (No significant deletions reported) |
| Statistics | Histograms (with varying base lengths), Frequency polygons, Mean, median, mode of ungrouped data |
| Probability | — (No significant deletions reported) |
| Unit | Deleted Topics |
| Matter – Its Nature & Behaviour | Definition, states of matter, change of state, evaporation, condensation, sublimation, characteristics |
| Elements, Compounds, Mixtures | Classification, types of mixtures, colloids, suspensions |
| Organization in the Living World | Diversity in living organisms, plant and animal tissues |
| Health and Diseases | Causes and prevention of diseases, public health initiatives |
| Motion, Force and Work | Floatation, Archimedes' principle, energy & power, conservation of energy |
| Our Environment | Physical resources, air, water, soil, water pollution, biogeochemical cycles |
| Food Production | Breeding, manures & fertilizers, organic farming, pest control |
| Chapter No. | Chapter Name |
| Chapter 4 | Forest Society and Colonialism |
| Chapter 5 | Pastoralists in the Modern World |
| Chapter No. | Chapter Name |
| Chapter 3 | Drainage (map skills & exercises only) |
| Chapter 5 | Natural Vegetation and Wildlife |
| Chapter No. | Chapter Name |
| Chapter 3 | Electoral Politics |
| Chapter 5 | Democratic Rights |
| Chapter No. | Chapter Name |
| Chapter 3 | Poverty as a Challenge |
| Chapter 4 | Food Security |
| Chapter No. | Chapter Name |
| Chapter 6 | Weathering the Storm in Ersama |
| Chapter 8 | The Accidental Tourist |
| Chapter No. | Chapter Name |
| Chapter 7 | Packing |
| Chapter 9 | The Bond of Love |
| Poem | The Snake Trying |
| खंड | पाठ संख्या | अध्याय नाम |
| गद्य खंड | पाठ 6 | कीचड़ का काव्य |
| पाठ 9 | आदमी नामा | |
| पद्य खंड | पाठ 13 | नए इलाके में... (अरुण कमल) |
| पाठ 16 | यमराज की दिशा (चन्द्रकांत देवताले) |
| पाठ संख्या | अध्याय नाम |
| पाठ 3 | कल्लू |
| पाठ 5 | हामिद खाँ |
| पाठ 6 | दिए जल उठे |
Note: Students are advised to refer to the official CBSE syllabus document for the most accurate and detailed information regarding the deleted syllabus for all subjects.
For your convenience, you can download the consolidated PDF containing the deleted syllabus for all subjects of CBSE Class 9 for the academic year 2024-25 from the official CBSE website. Look for the NCERT Solution For Class 9.
The deleted chapters and topics from Class 9 Maths for 2025 include Rationalization of Real Numbers, Remainder and Factor Theorems, specific Algebraic Identities, Inequalities in a Triangle, Areas of Parallelograms and Triangles (entire chapter), Construction of a triangle with a given perimeter and base angles, Application of Heron's Formula in finding the area of a quadrilateral, Histograms with varying base lengths, Frequency Polygons, and Mean, Median, and Mode of ungrouped data. For a detailed list, please refer to the "Maths – Removed Topics" section above or the official CBSE syllabus.
Yes, the reduced syllabus is applicable for the entire academic year 2024-25, which includes both Term 1 and Term 2 examinations (if the term-wise examination pattern continues) or the final board examinations. The questions in all assessments will be based solely on the retained portions of the syllabus.
CBSE’s syllabus reduction aligns with the National Education Policy (NEP) 2020, aiming to reduce academic pressure and emphasize core competencies. Deleted topics often include repetitive content (like Euclid's Geometry in Maths) or chapters with less real-world relevance (e.g., The Accidental Tourist in English). This approach helps students focus on foundational concepts and promotes deeper learning.
The official deleted syllabus PDF is available on the CBSE Academic website: https://cbseacademic.nic.in. For easier access, platforms such as SelfStudys and Physics Wallah provide simplified and subject-wise deletion lists.
Yes. While CBSE excludes these topics for school exams, competitive exams like JEE and NEET still cover many of them. For instance, motion equations in Science and number systems in Maths remain foundational for JEE Main and other tests. It’s advisable to refer to NCERT’s rationalised content to stay competitive.