The CBSE Class 12 deleted syllabus 2025-26 includes topics such as Electrostatic Potential and Capacitance, Current Electricity, Database Management, etc. The syllabus has been revised with with 20% local content, 30% regional content, 30% national content, and 20% global content. Check here complete CBSE Class 12 Deleted Syllabus!
Table of Contents
- Subject-Wise CBSE Class 12 Deleted Syllabus 2025-26
- CBSE Class 12th Deleted Syllabus 2025-26
- How to Download CBSE Deleted Syllabus for Class 12?
- Updated CBSE Class 12 Syllabus 2025-26
- How to Prepare from CBSE Class 12 Deleted Syllabus 2025-26?
- How is the Deleted Syllabus of Class 12 CBSE 2025-26 Beneficial?
The Central Board of Secondary Education has reduced 30% of the class 12th syllabus for the academic year 2025-26. The deleted syllabus of class 12 CBSE 2025-26 includes chapters from the Humanities, Science, and Commerce streams and language courses. The restructured syllabus contains all the academic content, learning outcomes, educational activities, and assessment guidelines. The latest curriculum is available on the official website. The topics have been reduced across all subjects.
Moreover, the board will conduct the annual assessment scheme, ending the term-wise board exams methodology. The curriculum for CBSE Class 12 Exam includes the course content of each subject along with the course structure, question paper design, lists of resources, and project work details.
This article covers all the topics that have been removed from the CBSE class 12th deleted syllabus 2025.
Subject-Wise CBSE Class 12 Deleted Syllabus 2025-26
The subjects from all streams, i.e. Science, Commerce and Arts have been provided here. The deleted syllabus from the language papers is also provided.
Deleted Syllabus of Class 12 CBSE 2025-26 for English
The CBSE class 12 deleted syllabus 2025-26 includes chapters on Writing Skills, Flamingo, and Vistas. Below is a list of deleted topics and chapters from the CBSE board class 12 English core and English Elective.
CBSE Class 12 Deleted Syllabus 2025-26 for English Core
Flamingo (Poetry) - An Elementary School Classroom in a Slum
Vistas (Prose) - Should Wizard Hit Mommy, Evans Tries an O-Level
CBSE Class 12 Deleted Syllabus 2025-26 for English Elective
Kaleidoscope (Short Story)
- Tomorrow
- One cm
Kaleidoscope (Poetry)
- Blood
Kaleidoscope ( Non-Fiction)
- Science Fiction
- Argumentative Indian
Kaleidoscope (Drama)
- Broken Images
CBSE Class 12 Deleted Syllabus 2025-26 for Mathematics
The class 12 deleted syllabus 2025-26 for Mathematics includes chapters from Algebra, Calculus, Relations and Functions, Linear Programming, Probability, and more. Check the table below for the current curriculum's deleted topics.
| Units | Chapters | Deleted Topics |
| Relations and Functions | Relations and Functions | Composite functions, the inverse of a function |
| Relations and Functions | Inverse Trigonometric Functions | Elementary properties of inverse trigonometric functions |
| Algebra | Matrices | Concept of elementary row and column operations. |
| Algebra | Determinants | Properties of determinants |
| Calculus | Continuity and Differentiability | Derivative of composite functionRolle’s and Lagrange's Mean Value Theorems (without proof) and their geometric interpretation |
| Calculus | Applications of Derivatives | Tangents and normalsUse of derivatives in approximation |
| Calculus | Integrals | Definite integrals as a limit of a sum, |
| Calculus | Applications of the Integrals | Area between any of the two above-mentioned curves |
| Vectors and Three-Dimensional Geometry | Vectors | Scalar triple product of vectors |
| Vectors and Three-Dimensional Geometry | Three-dimensional Geometry | Co-planar linesCartesian and vectorEquation of a plane.Angle between (i) two lines, (ii) two planes, (iii) a line and a plane. Distance of a point from a plane |
| Linear Programming | Linear Programming | Different types of linear programming (L.P.) problems, mathematical formulation of L.P. problems |
| Probability | Probability | Variance of a random variable |
CBSE Class 12 Deleted Syllabus 2026 for Physics
The reduced syllabus of class 12 CBSE 2025-26 for Physics includes chapters from topics like Current Electricity, Magnetic Effects of Current and Magnetism, Electromagnetic Induction and Alternating Currents, and more. Refer to the table below to learn more about the deleted topics for the academic year 2025-26.
| Units | Chapters | Deleted Topics |
| Current Electricity | Chapter 3: Current Electricity | Electrical Resistance, Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors, metre bridge, Potentiometer - principle and its applications to measure potential difference and for comparing EMF of two cells; measurement of internal resistance of a cell |
Magnetic Effects of Current and Magnetism |
Chapter 4: Moving Charges and Magnetism | Cyclotron |
| Chapter 5: Magnetism and Matter | magnetic dipole moment of a revolving electron | |
Electromagnetic Induction and Alternating Currents |
Chapter 6: Electromagnetic Induction | Eddy currents |
| Chapter 7: Alternating Current | LC oscillations | |
Optics |
Chapter 9: Ray Optics and Optical Instruments | Scattering of light - blue colour of sky and reddish appearance of the sun at sunrise and sunset |
| Chapter 10: Wave Optics | resolving power of microscope and astronomical telescope, polarisation, plane polarised light, Brewster's law, uses of plane polarised light and Polaroids | |
| Dual Nature of Radiation and Matter | Chapter 11: Dual Nature of Radiation and Matter | Davisson-Germer experiment |
| Atoms and Nuclei | Chapter 13: Nuclei | Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law. |
| Electronic Devices | Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits | Special purpose p-n junction diodes: LED, photodiode, solar cell and Zenerdiode and their characteristics, zener diode as a voltage regulator |
CBSE Class 12th Deleted Syllabus 2025-26 for Chemistry
The class 12 deleted syllabus 2025-26 for Chemistry includes chapters from units like Surface Chemistry, Block Elements, Biomolecules, Polymers, and more. Below is the deleted syllabus for Chemistry, which students must refer to while preparing for the board exam.
| Unit | Deleted Topic |
| Unit IV: Surface Chemistry | (whole chapter deleted) |
| Unit V: General Principles and Processes of Isolation of Elements | (whole chapter deleted) |
| Unit VI: p -Block Elements | (whole chapter deleted) |
| Unit XIII: Biomolecules | (whole chapter deleted) |
| Unit XIV: Polymers | (whole chapter deleted) |
| Unit XII: Organic compounds containing Nitrogen | Renamed to Amines (Unit 9), Cyanides and Isocyanides |
CBSE Class 12 Deleted Syllabus 2026 for Biology
The CBSE class 12 deleted syllabus 2025-26 for Biology includes chapters from units like Reproduction in Organisms, Strategies for Enhancement in Food Production, Organisms and Populations, and more. Below is the updated syllabus for Biology, which students must refer to
| Unit & Chapter | Deleted Topic |
| Unit-VI Reproduction Chapter-1: Reproduction in Organisms | (whole chapter deleted) |
| Unit-VIII Biology and Human Welfare Chapter-9: Strategies for Enhancement in Food Production | (whole chapter deleted) |
| Unit-X Ecology and Environment Chapter-13: Organisms and Populations | Organism and its Environment, Major Aboitic Factors, Responses to Abioitic Factors, Adaptations |
| Unit-X Ecology and Environment Chapter-14: Ecosystem | Ecological Succession and Nutrient Cycles |
| Practicals A. List of Experiments |
2. Collect and study soil from at least two different sites and study them for texture, moisture content, pH and water holding capacity. Correlate with the kinds of plants found in them. 3. Collect water from two different water bodies around you and study them for pH, clarity and presence of any living organism. 4. Study the presence of suspended particulate matter in air at two widely different sites. 8. Study the effect of different temperatures and three different pH on the activity of salivary amylase on starch. |
| Practicals B. Study/observation of the following (Spotting) |
10. Two plants and two animals (models/virtual images) found in xeric conditions. Comment upon their morphological adaptations. 11. Two plants and two animals (models/virtual images) found in aquatic conditions. Comment upon their morphological adaptations. |
CBSE 12th Deleted Syllabus 2026 for Accountancy
Read the table below to learn what got removed from the latest curriculum. Some deleted portions of class 12 Accountancy are Financial Statements of Not-for-Profit Organizations, Analysis of Financial Statements, and Computerised Accounting.
| Unit and Topic | Deleted Portion |
|
Part A: Accounting for Not-for-Profit Organizations, Partnership Firms and Companies Unit 1. Financial Statements of Not-for-Profit Organizations |
Financial Statements of Not-for-Profit Organizations(whole chapter deleted) |
|
Part B Financial Statement Analysis Unit 4. Analysis of Financial Statements |
Comparative statements, common sizestatements |
|
Part B: Computerised Accounting Unit 3: Computerised Accounting |
DBMS Concept and Features of DBMS. DBMS in Business Application, Generating Accounting Information Payroll |
Deleted Syllabus of Class 12 CBSE 2025-26 Business Studies
Students pursuing Business Studies under the commerce stream must follow the table below to learn about the deleted syllabus. Some of the CBSE Class 12 deleted Syllabus 2025-26 for Business Studies include Business Environment, Financial Markets, and Consumer Protection chapters.
| Unit and Topic | Deleted Portion |
| Unit 3: Business Environment | Impact of Government policy changes on business with special reference to liberalization, privatization and globalization in India |
| Unit 10: Financial Markets | Functions and Types of Financial Markets, Instruments of Money market, Methods of flotation in the primary market |
| Unit 12: Consumer Protection | Consumer Protection A |
CBSE Class 12 Deleted Syllabus 2025-26 for History
In this article, students can follow the lists below to understand the chapters and topics which have been deleted from the syllabus of History for the academic year 2025-26.
| Theme | Chapters | Deleted Topics |
| Themes in Indian History Part-II | 9. The Mughal Court: Reconstructing Histories through Chronicles | Whole chapter deleted |
| Themes in Indian History Part-III | 10. Colonialism and Rural Society: Evidence from Official Reports |
Broad overview: East India Company, revenue settlements in various regions of India and surveysc. Changes over the nineteenth century Excerpts: Accounts of Frances Buchanan-Hamilton and Deccan Riots Report. |
| Themes in Indian History Part-III | 12. Colonialism and Indian Towns: Town Plans and Municipal Reports | Whole chapter deleted |
| Themes in Indian History Part-III | 14. Partition through Oral Sources | Whole chapter deleted |
| LIST OF MAPS | Book 3,Page 297 | Daccan, Chittagong |
CBSE Class 12th Deleted Syllabus 2025-26 for Psychology
Some of the CBSE Class 12 deleted Syllabus 2025-26 for Psychology is mentioned below, which students must refer to while preparing for the CBSE board exams.
| Units | Deleted Topics |
| Psychology and Life | Whole chapter deleted |
| Developing Psychological Skills | Whole chapter deleted |
| Therapeutic Approaches | Psychodynamic Therapy, Biomedical Therapy |
| Attitude and Social Cognition | Social Cognition, Schemas and Stereotypes, Impression Formation and Explaining, Behaviour of Others through Attributions, Impression Formation, Attribution of Causality, Behaviour in the Presence of Other, Pro-social BehaviourFactors Affecting Pro-social Behaviour |
| Social Influence and Group Processes | Conformity, Compliance and Obedience, Cooperation and Competition, Determinants of Cooperation and Competition, Social Identity, Intergroup Conflict: Nature and Causes, Conflict Resolution Strategies |
Also read: Reference Books CBSE Class 12th
CBSE Class 12th Deleted Syllabus 2025-26
The table below contains the list of CBSE Class 12 Deleted Syllabus PDFs for each subject. Candidates can download the class 12 CBSE syllabus for English, Physics, Accountancy and more below.
| Subject | PDF Link |
| CBSE Class 12 Physics Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Chemistry Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Maths Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Biology Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Computer Science Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Business Studies Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 English Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Accountancy Deleted Syllabus 2025-26 | Download Here |
| CBSE Class 12 Sociology Deleted Syllabus 2025-26 | Download Here |
How to Download CBSE Deleted Syllabus for Class 12?
The CBSE class 12 deleted syllabus 2025-26 is available on the official website at cbseacademic.nic.in. Students can follow the steps listed below to download CBSE updated syllabus for class 12th.
- Step 1: Students must visit the official website of the Central Board of Secondary Education at cbseacademic.nic.in.
- Step 2: Students then need to click on the 'Curriculum' option in the top menu bar. and select 'Curriculum 2025-26' from the drop-down list.
- Step 3: Students need to select the option 'Senior Secondary Curriculum (XI-XII)' or 'Senior Secondary Curriculum (XI-XII)'.
- Step 4: Students need to choose the desired option and the link will appear.
- Step 5: Students now need to click on the link to open the PDF file.
- Step 6: Students can now download and save the CBSE 12th syllabus 2025-26 for future reference.
Updated CBSE Class 12 Syllabus 2025-26
The CBSE has updated the latest syllabus on its official portal for the academic year 2025-26. Refer to the link below to understand the new pattern and question style.
| Particulars | PDF Links |
| English Core | Download |
| English Elective | Download |
| Political Science | Download |
| Geography | Download |
| Sociology | Download |
| Accountancy | Download |
| Chemistry | Download |
| Maths | Download |
| Economics | Download |
| Computer Science | Download |
| Biology | Download |
| Sociology | Download |
| Physics | Download |
How to Prepare from CBSE Class 12 Deleted Syllabus 2025-26?
The candidates should use the CBSE class 12 deleted syllabus 2025-26 to be aware of the topics completely removed from the syllabus. Some of the points students must consider are mentioned below.
- Students should use the new NCERT books containing the CBSE Class 12 Exam Pattern 2025-26 and topics. They must avoid the old NCERT textbooks because the chapters and topics in the old book might not be in the newly deleted syllabus of class 12th CBSE 2025-26.
- The new CBSE class 12 deleted syllabus 2025-26 will help the candidates to understand the overall marking scheme
Also read: CBSE Class 12 Preparation Tips 2024
How is the Deleted Syllabus of Class 12 CBSE 2025-26 Beneficial?
Here is how referring to the CBSE class 12 deleted syllabus 2025-26 is extremely important and beneficial for the students.
- The class 12 CBSE board syllabus will enable pupils to get a thorough comprehension of the ideas involved in numerous topics.
- The marking system for both the theoretical and project work assessments will be made clear to the students.
- With the aid of the CBSE class syllabus 2025-26, candidates will be able to make intelligent choices for their further studies.
- Students can better plan and study for the exam and do well once they are familiar with the material.
For more updates in CBSE class 12 exam, stay tuned to Getmyuni!
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