The Central Board of Secondary Education (CBSE) conducts examinations for Class 9 students. The syllabus details all topics and concepts students need to score well in their exams.
Understanding the Deleted Syllabus of Class 9 CBSE 2025-26 is important for effective study planning.
This ensures students focus only on assessable content. The National Council of Educational Research and Training (NCERT) periodically updates the curriculum, leading to these changes.
This section provides in-depth information about the Deleted Syllabus of Class 9 CBSE 2025-26 for each major subject. Refer to these lists carefully to understand what is no longer part of your curriculum.
The Deleted Syllabus of CBSE Class 9 Maths 2025-26 includes several key changes. Students should note the specific topics removed from various chapters.
Real Numbers: Representation of terminating/non-terminating recurring decimals on the number line through successive magnification.
Linear Equations In Two Variables: Graph of linear equations in two variables. Examples, problems from real life, including problems on Ratio and Proportion with algebraic and graphical solutions.
Coordinate Geometry: Plotting points in the plane.
Introduction To Euclid's Geometry: Equivalent versions of the fifth postulate of Euclid.
Lines And Angles: Proof of sum of angles of a triangle is 180 degrees. Exterior angle formed is equal to the sum of two interior opposite angles.
Triangles: Triangle inequalities and relation between ‘angle and facing side’ inequalities in triangles.
Areas Of Parallelogram And Triangles: Full chapter deleted.
Circles: There is one and only one circle passing through three given non-collinear points.
Constructions: Full chapter deleted.
Heron's Formula: Application of Heron’s Formula in finding the area of a quadrilateral.
Surface Areas And Volumes: Surface areas and volumes of cubes, cuboids, and right circular cylinders.
Statistics: Introduction to Statistics: Collection of data, presentation of data tabular form, ungrouped/grouped. Mean, median, and mode of ungrouped data.
Probability: Full chapter deleted.
The Deleted Syllabus of CBSE Class 9 Science 2025-26 features several chapter and topic removals. Review these changes to streamline your Science preparation.
Chapter 2: Is Matter Around Us Pure?: Separating the components of a mixture.
Chapter 3: Atoms and Molecules: Mole concept: Relationship of mole to mass of particles and numbers.
Chapter 7: Diversity in Living Organisms: Full Chapter Deleted.
Chapter 9: Force and Laws of Motion: Elementary idea of conservation of Momentum.
Chapter 10: Gravitation: Elementary idea of Relative Density.
Chapter 11: Work and Energy: Commercial unit of Energy.
Chapter 12: Sound: SONAR, Structure of the Human Ear (Auditory aspect only).
Chapter 13: Why Do We Fall Ill?: Full Chapter Deleted.
Chapter 14: Natural Resources: Full Chapter Deleted.
The Deleted Syllabus of CBSE Class 9 Social Science 2025-26 includes removals from Geography and specific map items.
Geography (Contemporary India I):
Chapter 4: Climate: Jet streams, western cyclonic disturbances, The Indian Monsoon, onset and withdrawal, related Figs 4.1, 4.2, 4.3, 4.6.
Chapter 5: Natural Vegetation and Wildlife: Factors affecting diversity of flora and fauna, Fig 5.1 and Table 5.1.
Chapter 6: Population: Pointers regarding three major questions about population, age composition, sex ratio, literacy rates, occupational structure, health, NPP 2000 and adolescents.
Deleted Map Items:
Chapter 4: Climate: Cities to locate: Thiruvananthapuram, Chennai, Jodhpur, Bangalore, Mumbai, Kolkata, Leh, Shillong, Delhi, Nagpur (Location and Labelling).
Chapter 6: Population: Location and labelling: The state having highest and lowest sex ratio. Largest and smallest state according to area.
For the Deleted Syllabus of CBSE Class 9 English 2025-26, specific chapters and poems have been removed from textbooks.
Beehive:
Chapter 7: Packing
Chapter 7: Poem ‘The Duck and the Kangaroo’
Chapter 9: The Bond of Love
Chapter 9: ‘The Snake Trying’
Moments:
The Accidental Tourist (A Short Story)
Weathering the Storm in Ersama