CBSE Class 12 Syllabus 2026-27 for the 2027 board exams has been officially released by the Central Board of Secondary Education (CBSE) at cbseacademic.nic.in. The syllabus covers all three streams — Science, Commerce, and Humanities — and is aligned with the National Education Policy (NEP) 2020. Students appearing in the CBSE Class 12 Board Exams 2027 must download the official subject-wise syllabus PDFs and plan their preparation around the rationalized topic lists.

  • The syllabus spans three streams: Science (PCM and PCB), Commerce, and Humanities, with approximately 6 subjects per stream.
  • CBSE introduced a twice-a-year board exam option for 2027 — students can appear in the February attempt and again in May, keeping the better score.
  • The paper pattern now includes 50% competency-based questions (case/source-based), 20% MCQs and Assertion-Reason, and 30% Short and Long Answer questions.
  • Science subjects (Physics, Chemistry, Biology) carry a 70:30 theory-to-practical split; Mathematics and most other subjects use an 80:20 theory-to-internal-assessment split.
  • Several topics have been rationalized (deleted) across subjects — Chemistry, Physics, Biology, and English — compared to previous sessions under CBSE’s NEP-aligned content reduction.
  • The official syllabus PDF for 2026-27 was published on April 1, 2026 and is available at cbseacademic.nic.in.
  • Students must secure at least 33% aggregate marks and 33% in each individual subject to pass the CBSE Class 12 board exams.
CBSE Class 12 Syllabus PDF Download

CBSE Class 12 Syllabus 2026-27: Download Subject-wise PDFs

CBSE released the complete Class 12 Syllabus for the 2026-27 academic year on April 1, 2026, covering all streams and subjects. Always download the syllabus from cbseacademic.nic.in to ensure you have the authoritative, examination-relevant version.

Stream Subject Subject Code Syllabus PDF
Science Physics 042 Physics Syllabus PDF
Science Chemistry 043 Chemistry Syllabus PDF
Science / Commerce Mathematics 041 Mathematics Syllabus PDF
Science (Medical) Biology 044 Biology Syllabus PDF
All Streams English Core 301 English Core Syllabus PDF
Commerce Accountancy 055 Accountancy Syllabus PDF
Commerce Business Studies 054 Business Studies Syllabus PDF
Commerce / Humanities Economics 030 Economics Syllabus PDF
Humanities History 027 History Syllabus PDF
Humanities Political Science 028 Political Science Syllabus PDF
Humanities Geography 029 Geography Syllabus PDF
CBSE Class 12 Syllabus 2027: Overview

CBSE Class 12 Syllabus 2027: Overview

The Central Board of Secondary Education (CBSE) prescribes the Class 12 syllabus for the Senior Secondary stage, covering the 2026-27 academic session. The board conducts examinations for students in CBSE-affiliated schools across India. The CBSE Class 12 Syllabus 2026-27 is rationalized under NEP 2020 and forms the only basis for all board exam questions.

Parameter Details
Conducting Body Central Board of Secondary Education (CBSE)
Official Websites cbse.gov.in | cbseacademic.nic.in
Academic Session 2026-27
Board Exam Year 2027
Streams Covered Science (PCM / PCB), Commerce, Humanities
Syllabus Released April 1, 2026
Exam Attempts in 2027 Two — February 2027 and May 2027 (better score retained)
Theory Marks (Science) 70 marks — Physics, Chemistry, Biology
Theory Marks (Others) 80 marks — Mathematics, English, Commerce, Humanities subjects
Practical / Internal Assessment 30 marks (Science practicals) | 20 marks (other subjects)
Question Paper Pattern 50% Competency-based | 20% MCQ/Assertion-Reason | 30% Short/Long Answer
Passing Criteria 33% in each subject and 33% aggregate
Syllabus Framework NEP 2020 aligned; NCERT textbooks as primary reference
CBSE Class 12 Important Dates 2026-27

CBSE Class 12 Important Dates 2026-27

The table below lists key events for the CBSE Class 12 Board Exams 2027. Upcoming events appear first, followed by events that have already occurred.

Event Expected / Actual Date Status
Online Enrolment / Registration August – October 2026 Upcoming
Date Sheet Release Expected December 2026 Upcoming
Practical Examinations January – February 2027 Upcoming
Theory Exams — February Attempt February – March 2027 Upcoming
Theory Exams — May Attempt May 2027 Upcoming
Result — February Attempt Expected May 2027 Upcoming
Result — May Attempt Expected July 2027 Upcoming
CBSE Class 12 Syllabus 2026-27 Released April 1, 2026 Released
Academic Session 2026-27 Commenced April 2026 Over

Source: Central Board of Secondary Education (cbse.gov.in)

CBSE Class 12 Physics Syllabus 2026-27

CBSE Class 12 Physics Syllabus 2026-27

The CBSE Class 12 Physics syllabus 2026-27 (Subject Code 042) is divided into 9 units covering 14 chapters. The theory paper carries 70 marks and the practical carries 30 marks. Physics is entirely NCERT-based — mastering all NCERT derivations, diagrams, and numericals is essential for scoring high in the 2027 board exam. Selected sub-topics from several chapters have been removed under NEP rationalization.

Unit Unit Name Chapters Covered Key Sub-topics
Unit I Electrostatics Ch 1: Electric Charges and Fields
Ch 2: Electrostatic Potential and Capacitance

Unit I Topics — Click Here

Electric charge conservation; Coulomb’s law; superposition principle; electric field and field lines; electric flux; Gauss’s theorem and applications; electrostatic potential; potential difference; potential energy; capacitors in series and parallel; energy stored in a capacitor; dielectrics and their effect on capacitance.

Unit II Current Electricity Ch 3: Current Electricity

Unit II Topics — Click Here

Electric current; drift velocity; Ohm’s Law; resistivity and its temperature dependence; electrical energy and power; Kirchhoff’s Laws; Wheatstone bridge; metre bridge; potentiometer — principle and applications for EMF comparison and internal resistance measurement.

Unit III Magnetic Effects of Current and Magnetism Ch 4: Moving Charges and Magnetism
Ch 5: Magnetism and Matter

Unit III Topics — Click Here

Biot-Savart Law; Ampere’s circuital law; solenoid and toroid; magnetic force on a current-carrying conductor; moving coil galvanometer; bar magnet as magnetic dipole; Earth’s magnetic field and its elements; magnetisation; dia-, para-, and ferromagnetic materials; permanent magnets.

Unit IV Electromagnetic Induction and Alternating Currents Ch 6: Electromagnetic Induction
Ch 7: Alternating Current

Unit IV Topics — Click Here

Faraday’s laws; Lenz’s law; eddy currents; self and mutual inductance; AC generator; peak and RMS values; impedance; LCR series circuit; resonance; power factor; quality factor; LC oscillations; transformers.

Unit V Electromagnetic Waves Ch 8: Electromagnetic Waves

Unit V Topics — Click Here

Displacement current and Ampere’s modified law; electromagnetic spectrum — radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays; characteristics and uses of each band.

Unit VI Optics Ch 9: Ray Optics and Optical Instruments
Ch 10: Wave Optics

Unit VI Topics — Click Here

Reflection and refraction at spherical surfaces; mirror formula; total internal reflection; optical fibre; refraction through prism; scattering of light; power of lens; microscopes and telescopes; wavefront and Huygens’ principle; Young’s double slit experiment; interference; single slit diffraction; polarisation; Brewster’s law; Malus’s Law.

Unit VII Dual Nature of Radiation and Matter Ch 11: Dual Nature of Radiation and Matter Photoelectric effect; Einstein’s photoelectric equation; particle nature of light; de Broglie hypothesis; Davisson-Germer experiment
Unit VIII Atoms and Nuclei Ch 12: Atoms
Ch 13: Nuclei
Rutherford’s model; Bohr model; hydrogen spectrum; composition of nucleus; binding energy per nucleon; mass-energy relation; nuclear fission and fusion; radioactivity; alpha, beta, and gamma decay
Unit IX Electronic Devices Ch 14: Semiconductor Electronics

Unit IX Topics — Click Here

Energy bands in conductors, semiconductors, insulators; intrinsic and extrinsic semiconductors; p-n junction diode; forward and reverse bias; I-V characteristics; diode as rectifier; Zener diode as voltage regulator; transistor as amplifier and switch; logic gates — AND, OR, NOT, NAND, NOR.

CBSE Class 12 Physics Unit-wise Weightage 2026-27

Unit Group Units / Chapters Marks (Theory — 70)
Electrostatics + Current Electricity Units I–II (Ch 1–3) 16
Magnetic Effects + EMI + AC Units III–IV (Ch 4–7) 17
EM Waves + Optics Units V–VI (Ch 8–10) 18
Dual Nature + Atoms and Nuclei Units VII–VIII (Ch 11–13) 12
Electronic Devices Unit IX (Ch 14) 7
Total (Theory) 70
Practical 30
CBSE Class 12 Chemistry Syllabus 2026-27

CBSE Class 12 Chemistry Syllabus 2026-27

The CBSE Class 12 Chemistry syllabus 2026-27 (Subject Code 043) has been rationalized to cover 10 chapters after removal of Solid State, Surface Chemistry, General Principles of Isolation of Elements, and p-Block Groups 16–18. The theory paper is 70 marks and practical is 30 marks. Organic Chemistry carries the highest weightage — you must master all named reactions and mechanisms from NCERT.

Branch Chapter Key Sub-topics
Physical Chemistry Solutions

Solutions Topics — Click Here

Types of solutions; concentration terms; Raoult’s law; colligative properties — relative lowering of vapour pressure, elevation in boiling point, depression in freezing point, osmotic pressure; abnormal molecular masses; Van’t Hoff factor.

Electrochemistry

Electrochemistry Topics — Click Here

Electrochemical cells; galvanic cells; EMF; standard electrode potential; Nernst equation; Gibbs energy and EMF; Kohlrausch’s law; electrolysis; Faraday’s laws; batteries — primary and secondary; fuel cells; corrosion.

Chemical Kinetics

Chemical Kinetics Topics — Click Here

Rate of reaction; factors affecting rate; rate law and rate constant; order and molecularity; integrated rate equations for zero and first order; half-life; activation energy; Arrhenius equation; collision theory.

Inorganic Chemistry The p-Block Elements (Group 15 — Nitrogen Family)

p-Block Topics — Click Here

Occurrence; properties of N₂; nitrogen cycle; ammonia — preparation, properties; nitric acid; phosphorus allotropes; phosphine; phosphorus halides; oxoacids of phosphorus. Note: Groups 16, 17, 18 are deleted for 2026-27.

d and f Block Elements

d-f Block Topics — Click Here

General properties of transition metals; electronic configuration; variable oxidation states; magnetic properties; colour; catalytic activity; interstitial compounds; alloys; K₂Cr₂O₇ and KMnO₄ — preparation, properties, uses; lanthanides and actinides.

Coordination Compounds

Coordination Topics — Click Here

Werner’s theory; IUPAC nomenclature; types of ligands; coordination number; isomerism — structural and stereo; bonding — VBT and CFT; colour and magnetic properties; stability constants; biological importance.

Organic Chemistry Haloalkanes and Haloarenes Classification; nomenclature; SN1 and SN2 mechanisms; stereochemistry; elimination reactions; DDT; environmental effects
Alcohols, Phenols and Ethers Classification; preparation; dehydration of alcohols; oxidation; acidic nature of phenol; Williamson synthesis; industrial uses
Aldehydes, Ketones and Carboxylic Acids

Carbonyl Compound Topics — Click Here

Nomenclature; nucleophilic addition reactions; Cannizzaro reaction; aldol condensation; oxidation and reduction; carboxylic acids — acidity; esterification; Kolbe’s reaction; Hell-Volhard-Zelinsky reaction; acid derivatives.

Amines Classification; preparation; basicity comparison; diazonium salts and their importance; Gabriel synthesis; Hoffmann bromamide degradation
Biomolecules Carbohydrates — classification, glucose structure, reducing sugars; amino acids and proteins; enzymes; vitamins; nucleic acids — DNA and RNA structure and function

CBSE Class 12 Chemistry Chapter-wise Weightage 2026-27

Chapter Approx. Marks (Theory — 70)
Solutions7
Electrochemistry9
Chemical Kinetics7
d and f Block Elements7
Coordination Compounds7
Haloalkanes and Haloarenes6
Alcohols, Phenols and Ethers6
Aldehydes, Ketones and Carboxylic Acids8
Amines6
Biomolecules7
Total (Theory)70
Practical30
CBSE Class 12 Mathematics Syllabus 2026-27

CBSE Class 12 Mathematics Syllabus 2026-27

The CBSE Class 12 Mathematics syllabus 2026-27 (Subject Code 041) covers 6 major units and 13 chapters. The theory paper is 80 marks and internal assessment is 20 marks. Calculus alone accounts for 35 marks — it is the single most critical unit and demands the most preparation time.

Unit Unit Name Chapters Included Key Topics
Unit I Relations and Functions Relations and Functions; Inverse Trigonometric Functions

Unit I Topics — Click Here

Types of relations; types of functions; composite functions; invertibility; binary operations; inverse trigonometric functions — domain, range, principal values, properties, and graphical representation.

Unit II Algebra Matrices; Determinants

Unit II Topics — Click Here

Matrix types; operations; transpose; symmetric and skew-symmetric; elementary row/column operations; invertible matrices; determinants up to order 3; cofactors; adjoint; solving system of linear equations using matrix method; area of triangle; Cramer’s rule.

Unit III Calculus Continuity and Differentiability; Application of Derivatives; Integrals; Application of Integrals; Differential Equations

Unit III Topics — Click Here

Continuity and differentiability of composite, implicit, exponential, logarithmic, and parametric functions; second-order derivatives; Rolle’s and Lagrange’s Mean Value Theorems; increasing/decreasing functions; maxima and minima; tangents and normals; integration as anti-derivative; integration by substitution, partial fractions, by-parts; definite integrals; area under curves; order and degree of differential equations; variable separable; homogeneous; linear first-order differential equations.

Unit IV Vectors and Three-Dimensional Geometry Vectors; Three-Dimensional Geometry

Unit IV Topics — Click Here

Types of vectors; dot product and cross product; scalar triple product; direction cosines and ratios; equations of lines and planes in 3D; angle between line and plane; skew lines; shortest distance between two lines.

Unit V Linear Programming Linear Programming Formulation of LPP; graphical method; feasible and infeasible regions; corner-point method; bounded and unbounded regions; types of problems
Unit VI Probability Probability

Unit VI Topics — Click Here

Conditional probability; multiplication theorem; independent events; total probability theorem; Bayes’ theorem; random variable and probability distribution; mean and variance of a random variable; Binomial distribution.

CBSE Class 12 Mathematics Unit-wise Weightage 2026-27

Unit Unit Name Marks (Theory — 80)
IRelations and Functions8
IIAlgebra10
IIICalculus35
IVVectors and 3D Geometry14
VLinear Programming5
VIProbability8
Total (Theory)80
Internal Assessment20
CBSE Class 12 Biology Syllabus 2026-27

CBSE Class 12 Biology Syllabus 2026-27

The CBSE Class 12 Biology syllabus 2026-27 (Subject Code 044) spans Units VI through X. Three complete chapters have been deleted for 2026-27: Chapter 1 (Reproduction in Organisms), Chapter 9 (Strategies for Enhancement in Food Production), and Chapter 16 (Environmental Issues). The theory paper is 70 marks and practical is 30 marks. Genetics and Evolution carries the highest weightage at 18 marks and overlaps significantly with NEET preparation.

Unit Unit Name Chapters in Syllabus Key Topics
Unit VI Reproduction Ch 2: Sexual Reproduction in Flowering Plants
Ch 3: Human Reproduction
Ch 4: Reproductive Health
(Ch 1 deleted)

Reproduction Topics — Click Here

Flower structure; pollination types; fertilisation; post-fertilisation changes; fruits and seeds; apomixis; polyembryony; male and female reproductive systems in humans; gametogenesis; menstrual cycle; fertilisation and implantation; pregnancy and parturition; reproductive health; contraception; STDs; MTP; infertility.

Unit VII Genetics and Evolution Ch 5: Principles of Inheritance and Variation
Ch 6: Molecular Basis of Inheritance
Ch 7: Evolution

Genetics Topics — Click Here

Mendel’s laws; incomplete dominance; co-dominance; sex determination; mutation; chromosomal disorders; DNA structure (Watson-Crick model); replication; transcription; translation; genetic code; gene regulation (lac operon); Human Genome Project; DNA fingerprinting; origin of life; Darwin’s theory; Hardy-Weinberg principle; speciation; brief account of evolution.

Unit VIII Biology and Human Welfare Ch 8: Human Health and Disease
Ch 10: Microbes in Human Welfare
(Ch 9 deleted)
Common diseases — typhoid, pneumonia, malaria, dengue, AIDS, cancer; immunity — innate and acquired; vaccines; drugs and alcohol abuse; microbes in food processing; sewage treatment; biogas; biocontrol agents; biofertilizers
Unit IX Biotechnology and its Applications Ch 11: Biotechnology: Principles and Processes
Ch 12: Biotechnology and its Applications

Biotechnology Topics — Click Here

Recombinant DNA technology; tools — restriction enzymes, vectors, cloning; PCR; gel electrophoresis; transgenic organisms; Bt crops; golden rice; insulin production; gene therapy; RNAi; ethical issues in biotechnology.

Unit X Ecology and Environment Ch 13: Organisms and Populations (selected topics)
Ch 14: Ecosystem (selected topics)
Ch 15: Biodiversity and Conservation
(Ch 16 deleted)
Organism-environment interactions; population attributes and growth models; ecosystem — structure and function; productivity; decomposition; energy flow; ecological succession; nutrient cycling; biodiversity — types and importance; threats; in-situ and ex-situ conservation; hotspots

CBSE Class 12 Biology Unit-wise Weightage 2026-27

Unit Unit Name Approx. Marks (Theory — 70)
VIReproduction14
VIIGenetics and Evolution18
VIIIBiology and Human Welfare12
IXBiotechnology and its Applications12
XEcology and Environment14
Total (Theory)70
Practical30
CBSE Class 12 English Core Syllabus 2026-27

CBSE Class 12 English Core Syllabus 2026-27

The CBSE Class 12 English Core syllabus 2026-27 (Subject Code 301) consists of two prescribed NCERT textbooks — Flamingo (Main Reader) and Vistas (Supplementary Reader) — alongside Reading Skills and Writing Skills. The theory paper carries 80 marks and internal assessment carries 20 marks. One Flamingo prose chapter (Lost Spring) and two Vistas chapters (Should Wizard Hit Mommy? and Evans Tries an O-Level) have been deleted for 2026-27 and will not be tested in the 2027 board exam.

Flamingo — Prose (Main Reader)

Chapter Title Status for 2026-27
Chapter 1The Last LessonIn Syllabus
Chapter 2Lost SpringDeleted — Do Not Prepare
Chapter 3Deep WaterIn Syllabus
Chapter 4The RattrapIn Syllabus
Chapter 5IndigoIn Syllabus
Chapter 6Poets and PancakesIn Syllabus
Chapter 7The InterviewIn Syllabus
Chapter 8Going PlacesIn Syllabus

Flamingo — Poetry

Poem Title Poet Status
Poem 1My Mother at Sixty-SixKamala DasIn Syllabus
Poem 2Keeping QuietPablo NerudaIn Syllabus
Poem 3A Thing of BeautyJohn KeatsIn Syllabus
Poem 4A Roadside StandRobert FrostIn Syllabus
Poem 5Aunt Jennifer’s TigersAdrienne RichIn Syllabus

Vistas — Supplementary Reader

Chapter Title Status for 2026-27
Chapter 1The Third LevelIn Syllabus
Chapter 2The Tiger KingIn Syllabus
Chapter 3Journey to the End of the EarthIn Syllabus
Chapter 4The EnemyIn Syllabus
Chapter 5Should Wizard Hit Mommy?Deleted — Do Not Prepare
Chapter 6On the Face of ItIn Syllabus
Chapter 7Evans Tries an O-LevelDeleted — Do Not Prepare
Chapter 8Memories of ChildhoodIn Syllabus

English Core — Section-wise Marks Distribution

Section Area Content Marks
AReading SkillsTwo unseen passages — one factual, one discursive; comprehension, note-making, vocabulary questions26
BWriting SkillsNotice, Letter (formal/informal), Article, Report, Speech; Grammar — tenses, clauses, modals, voice, narration24
CLiteratureExtracts from Flamingo (prose and poetry) and Vistas; short and long answer questions30
Internal AssessmentPeriodic Tests (10) + Listening and Speaking Activities (5) + Portfolio (5)20
Grand Total100
CBSE Class 12 Commerce Stream Syllabus 2026-27

CBSE Class 12 Commerce Stream Syllabus 2026-27

Commerce stream students in CBSE Class 12 typically study Accountancy, Business Studies, and Economics, often combined with Mathematics. All three subjects carry 80 marks theory and 20 marks project/internal assessment — start your project work early in the academic session to avoid last-minute pressure.

Accountancy (Code 055)

Part Unit Key Topics Marks
Part A: Accounting for Partnership Firms and Companies Unit 1: Partnership Accounts Nature of partnership; goodwill; admission; retirement; death; dissolution of partnership 60
Unit 2: Company Accounts Share capital; issue and forfeiture of shares; issue and redemption of debentures; financial statements of companies
Part B: Financial Statement Analysis Unit 3: Analysis of Financial Statements Common size and comparative statements; ratio analysis — liquidity, solvency, activity, profitability ratios 20
Unit 4: Cash Flow Statement Preparation of Cash Flow Statement as per AS-3 (Revised); operating, investing, and financing activities
Total (Theory) 80

Business Studies (Code 054)

Part Units Key Chapters Marks
Part A: Principles and Functions of Management Units 1–7 Nature and Significance of Management; Principles of Management (Fayol, Taylor); Business Environment; Planning; Organising; Staffing; Directing (Motivation, Leadership, Communication); Controlling 50
Part B: Business Finance and Marketing Units 8–12 Financial Management; Financial Markets; Marketing Management (Product, Price, Place, Promotion); Consumer Protection 30
Total (Theory) 80

Economics (Code 030)

Part Units Key Topics Marks
Part A: Introductory Macroeconomics Units 1–5 National Income Accounting (GDP, NNP, GNP); Money and Banking; Aggregate Demand and Supply; Income Determination; Government Budget and the Economy; Balance of Payments 40
Part B: Indian Economic Development Units 6–10 Development Experience 1947–1990; Economic Reforms since 1991; Poverty; Human Capital; Rural Development; Infrastructure; India’s Development Strategies 40
Total (Theory) 80
CBSE Class 12 Humanities Stream Syllabus 2026-27

CBSE Class 12 Humanities Stream Syllabus 2026-27

Humanities (Arts) stream students may choose History, Political Science, Geography, Sociology, or Psychology alongside Economics. History, Political Science, and Geography are the most widely selected Humanities subjects. All carry 80 marks theory and 20 marks internal assessment or project.

History (Code 027)

Theme No. Theme Title Historical Period / Focus
1Bricks, Beads and BonesHarappan Civilisation
2Kings, Farmers and TownsEarly States and Economies (600 BCE – 600 CE)
3Kinship, Caste and ClassEarly Societies (600 BCE – 600 CE)
4Thinkers, Beliefs and BuildingsCultural Developments (600 BCE – 600 CE)
5Through the Eyes of TravellersPerceptions of Society (10th–17th centuries)
6Bhakti-Sufi TraditionsChanges in Religious Beliefs and Devotional Texts
7An Imperial Capital: Vijayanagara14th–16th centuries
8Peasants, Zamindars and the StateAgrarian Society and the Mughal Empire (16th–17th centuries)
9Kings and ChroniclesThe Mughal Courts (16th–17th centuries)
10Colonialism and the CountrysideExploring Official Archives
11Rebels and the RajThe Revolt of 1857
12Colonial CitiesUrbanisation, Planning and Architecture
13Mahatma Gandhi and the Nationalist MovementCivil Disobedience and Beyond
14Understanding PartitionPolitics, Memories, and Experiences
15Framing the ConstitutionThe Beginning of a New Era

Political Science (Code 028)

Part Units Key Topics Marks
Part A: Contemporary World Politics Units 1–9 Cold War Era; End of Bipolarity; US Hegemony; Alternative Centres of Power; South Asia; International Organisations; Security; Environment; Globalisation 40
Part B: Politics in India since Independence Units 1–9 Nation Building; Era of One-Party Dominance; Planned Development; India’s External Relations; Challenges to and Restoration of the Congress System; Emergency; Popular Movements; Regional Aspirations; Recent Developments 40
Total (Theory) 80

Geography (Code 029)

Part Units Key Topics Marks
Part A: Fundamentals of Human Geography Units 1–5 Human Geography — Nature and Scope; People; Human Activities; Transport, Communication and Trade; Human Settlements 35
Part B: India — People and Economy Units 6–10 People; Human Settlements; Resources and Development; Transport and International Trade; Geographical Perspective on Selected Issues and Problems 35
Practical Work Processing of Data; Thematic Mapping; Spatial Information Technology; Field Survey 10
Total (Theory) 80
CBSE Class 12 Deleted Syllabus 2026-27

CBSE Class 12 Deleted Syllabus 2026-27

CBSE has rationalized the Class 12 syllabus under its NEP 2020 content reduction framework. No questions from the deleted topics listed below will appear in the CBSE Class 12 Board Exam 2027. Cross-check the official cbseacademic.nic.in subject PDFs before finalizing your study plan.

Subject Deleted Chapter / Topic Previous Chapter Number
Physics Selected sub-topics from Current Electricity, Moving Charges and Magnetism, Magnetism and Matter, Electromagnetic Induction, Alternating Current, Ray Optics, and Wave Optics Ch 3, 4, 5, 6, 7, 9, 10 (partial)
ChemistrySolid StateChapter 1
ChemistrySurface ChemistryChapter 5
ChemistryGeneral Principles and Processes of Isolation of ElementsChapter 6
ChemistryThe p-Block Elements — Groups 16 (Oxygen family), 17 (Halogens), 18 (Noble Gases)Chapter 7 (partial)
BiologyReproduction in OrganismsChapter 1
BiologyStrategies for Enhancement in Food ProductionChapter 9
BiologyEnvironmental IssuesChapter 16
BiologySelected topics from Organisms and Populations and EcosystemCh 13, 14 (partial)
English Core (Flamingo)Lost SpringProse Chapter 2
English Core (Vistas)Should Wizard Hit Mommy?Chapter 5
English Core (Vistas)Evans Tries an O-LevelChapter 7
Best Books for CBSE Class 12 2027

Best Books for CBSE Class 12 2027

NCERT textbooks are the primary and most important resource for CBSE Class 12 board exams. Complete every chapter, example, and exercise from NCERT before picking up any reference book — most board questions are NCERT-based or minimal variations.

Subject Book Name Author / Publisher Why This Book
PhysicsNCERT Physics Part I and Part IINCERTPrimary reference; all board questions are NCERT-based or minimal variations
PhysicsConcepts of Physics (Vol. 1 and 2)H.C. Verma / Bharati BhawanBuilds strong problem-solving skills; excellent for numericals beyond NCERT level
ChemistryNCERT Chemistry Part I and Part IINCERTMandatory; NCERT reactions and mechanisms are directly tested in the board paper
ChemistryModern’s ABC of Chemistry Class 12S.P. Jauhar / Modern PublishersCovers named reactions and mechanisms comprehensively; strong on Organic Chemistry
MathematicsNCERT Mathematics Class 12 (Part I and II)NCERTAll board questions are direct NCERT problems or step-up variations
MathematicsMathematics Class 12 (Vol. 1 and 2)R.D. Sharma / Dhanpat RaiExtensive graded problem sets; especially strong on Calculus and Algebra practice
BiologyNCERT Biology Class 12NCERTBoard questions and diagrams come directly from NCERT; irreplaceable
BiologyTrueman’s Elementary Biology (Vol. 2)K.N. Bhatia / Trueman’sComprehensive diagrams and explanations for Genetics, Biotechnology, and Ecology
EnglishTogether with English Core Class 12Rachna SagarChapter summaries, annotations, previous year questions, and sample papers
AccountancyDouble Entry Book Keeping (Class 12)T.S. Grewal / Sultan ChandGold standard for Accountancy; covers all Partnership and Company Accounts comprehensively
EconomicsNCERT Introductory Macroeconomics and Indian Economic DevelopmentNCERTAll board questions in Economics are NCERT-aligned; no substitute exists
How to Download CBSE Class 12 Syllabus PDF

How to Download CBSE Class 12 Syllabus 2026-27 PDF

Follow these steps to download the official CBSE Class 12 Syllabus 2026-27 PDF from the CBSE Academic website.

  1. Visit the official CBSE Academic website: cbseacademic.nic.in.
  2. Click on the "Curriculum" tab in the top navigation menu.
  3. Select "Senior Secondary Curriculum (Class XI–XII)" from the dropdown or list.
  4. Look for the 2026-27 session and click on it.
  5. Click on your desired subject name — the PDF will open in a new browser tab.
  6. Press Ctrl + S (Windows) or Cmd + S (Mac) to save the PDF, or click the download icon in your PDF viewer.

Note: Always download from cbseacademic.nic.in or cbse.gov.in — third-party websites may carry outdated or incomplete syllabus versions.

CBSE Class 12 Exam Pattern 2027

CBSE Class 12 Exam Pattern 2027

The CBSE Class 12 Board Exam 2027 follows a competency-based assessment pattern aligned with NEP 2020. You must prepare not just for recall-based questions but also for application-level case studies and source-based questions, which now form 50% of every theory paper.

Parameter Science (Physics / Chemistry / Biology) Mathematics and Other Subjects
Theory Marks7080
Practical / Internal Assessment30 (Practical Exams)20 (Projects / Internal Assessment)
Total Marks100100
Duration (Theory Paper)3 hours3 hours
Competency-Based Questions (50%)Case-based, source-based, passage-based, data-interpretation questions
Select Response Questions (20%)MCQs and Assertion-Reason type questions
Constructed Response (30%)Short answer (2–3 marks) and Long answer (5 marks) questions
Exam Attempts in 2027Two — February Attempt and May Attempt (better score retained)
Passing Marks33% in each subject and 33% aggregate
CBSE Class 12 Preparation Tips 2027

CBSE Class 12 Preparation Tips 2027

With theory exams beginning in February 2027, students starting focused preparation in August 2026 have approximately five to six months. Cover the official CBSE syllabus from cbseacademic.nic.in — not any third-party list — to avoid studying deleted or out-of-scope topics.

Physics

  • Electrostatics, Optics, and Magnetic Effects are the three highest-weightage unit groups — together they account for 51 of the 70 theory marks. Prioritize these first.
  • Memorize all NCERT derivations: Gauss’s theorem, mirror formula, Young’s double slit experiment, Faraday’s law. Board papers test these directly.
  • Practice at least 50 numericals per unit. Every Physics paper includes 5–6 numerical questions.
  • Deleted sub-topics from Chapters 3, 4, 5, 6, 7, 9, 10 are not in the 2026-27 syllabus. Do not prepare them.
  • For practicals, learn apparatus setup, observation tables, and sources of error for all prescribed experiments.

Chemistry

  • Organic Chemistry (amines, aldehydes, halides, biomolecules) carries the highest combined weightage. Master all named reactions and mechanisms.
  • For Physical Chemistry, practise Electrochemistry and Chemical Kinetics numericals daily — Nernst equation and Arrhenius equation appear every year.
  • Skip Solid State, Surface Chemistry, General Principles of Isolation, and p-Block Groups 16–18. These are deleted for 2026-27 and will not be tested.
  • Learn IUPAC naming for all organic compound classes. Board papers always test nomenclature as 1–2 mark questions.
  • Biomolecules is factual and can be covered in a focused single session — prepare it close to the exam for retention.

Mathematics

  • Calculus carries 35 marks — the largest unit in the paper. Spend at least 40% of your Mathematics preparation time on Chapters 5–9.
  • Practice integration daily. Definite integrals and differential equations appear in most board years.
  • Vectors and 3D Geometry (14 marks) is entirely formula-based. Maintain a dedicated formula sheet and revise it weekly.
  • Solve at least 10 full CBSE board papers from the past five years under timed conditions before your February attempt.
  • Internal Assessment carries 20 marks — complete project and portfolio work diligently; these are easy full marks.

Biology

  • Genetics and Evolution (18 marks) demands deep conceptual study. Mendelian numericals, Punnett squares, lac operon, and DNA replication mechanisms are tested every year.
  • Draw and label NCERT diagrams for every chapter. At least 5 marks per theory paper are diagram-based.
  • Chapter 1 (Reproduction in Organisms), Chapter 9 (Food Production), and Chapter 16 (Environmental Issues) are deleted. Do not prepare them.
  • Biotechnology (12 marks): focus on recombinant DNA tools, Bt crops, insulin production, and gene therapy — these are frequent 3-mark and 5-mark questions.
  • For practical exams, be familiar with all prescribed spotting specimens, slides, and experiments.

English Core

  • For Literature (30 marks), focus on all retained Flamingo prose chapters — The Last Lesson, Deep Water, Indigo, and Poets and Pancakes — and all five poems.
  • Lost Spring (Flamingo Ch 2), Should Wizard Hit Mommy? (Vistas Ch 5), and Evans Tries an O-Level (Vistas Ch 7) are deleted. Do not prepare these chapters.
  • Practice at least one Writing Skills task (Article/Report/Letter/Notice) every alternate day. Timed practice improves quality and speed.
  • Reading Comprehension (26 marks): practice unseen passages from newspapers, journals, and past CBSE papers regularly.
  • Internal Assessment (20 marks) includes Listening and Speaking — attend all in-school assessments to secure every mark available.
CBSE Class 12 Syllabus FAQs

CBSE Class 12 Syllabus 2026-27 FAQs

Ques. Has the CBSE Class 12 Syllabus been reduced for 2026-27?

Ans. Yes, CBSE has rationalized the Class 12 syllabus for 2026-27 under NEP 2020. In Chemistry, Solid State, Surface Chemistry, General Principles of Isolation of Elements, and p-Block Groups 16–18 are deleted. In Biology, Chapters 1, 9, and 16 are fully removed. In English, Flamingo Chapter 2 (Lost Spring) and Vistas Chapters 5 and 7 are deleted. Physics has selected sub-topics removed from several chapters. Download the official subject PDF from cbseacademic.nic.in for the complete deleted topics list.

Ques. Which unit has the highest weightage in CBSE Class 12 board exams?

Ans. Within each subject, the highest-weightage unit or group is: Calculus (35/80 marks) in Mathematics; Optics + EM Waves group (18/70 marks) in Physics; Genetics and Evolution (18/70 marks) in Biology; Aldehydes, Ketones and Carboxylic Acids (8/70 marks) in Chemistry; and Literature Section C (30/80 marks) in English Core. Students should prioritize these units early in their preparation.

Ques. Is NCERT enough to score 90+ in CBSE Class 12 boards 2027?

Ans. Yes, NCERT is the foundation and is sufficient for most subjects to score 90+ marks. CBSE frames all board exam questions directly from NCERT content, in-text examples, and exercises. You must read every line, solve every exercise, and practise all NCERT diagrams. For extra numericals in Mathematics and Physics, supplement with R.D. Sharma and H.C. Verma respectively after completing NCERT fully.

Ques. Where can I download the CBSE Class 12 Syllabus 2026-27 PDF?

Ans. You can download the official CBSE Class 12 Syllabus 2026-27 PDF from cbseacademic.nic.in. Navigate to Curriculum → Senior Secondary Curriculum (Class XI–XII) → 2026-27. Subject-wise PDFs are available for all streams. Always use the official CBSE Academic website — third-party websites may carry outdated versions.

Ques. What chapters are deleted from CBSE Class 12 English for 2026-27?

Ans. The following chapters are deleted from CBSE Class 12 English Core for 2026-27: Flamingo Chapter 2 — Lost Spring (Prose); Vistas Chapter 5 — Should Wizard Hit Mommy?; and Vistas Chapter 7 — Evans Tries an O-Level. These will not be tested in the 2027 board exam. All five poems in Flamingo remain in the syllabus.

Ques. Can CBSE Class 12 students appear in board exams twice in 2027?

Ans. Yes. CBSE has introduced a twice-a-year board exam option. You can appear in Session 1 (February 2027) and again in Session 2 (May 2027). The higher of your two scores will be treated as the final result. This option removes the pressure of a single high-stakes attempt and gives you a second chance without repeating the full academic year.

Ques. Which chapters are deleted from CBSE Class 12 Biology 2026-27?

Ans. Three full chapters are deleted from CBSE Class 12 Biology for 2026-27: Chapter 1 — Reproduction in Organisms; Chapter 9 — Strategies for Enhancement in Food Production; and Chapter 16 — Environmental Issues. Selected topics from Chapters 13 and 14 have also been removed. The remaining syllabus spans Units VI through X, covering approximately 12 chapters.

Ques. What is the exam pattern for CBSE Class 12 boards 2027?

Ans. CBSE Class 12 board exam 2027 papers include three question types: 50% competency-based questions (case-based, source-based, passage-based), 20% MCQs and Assertion-Reason questions, and 30% Short and Long Answer questions. Science theory papers are 70 marks with 30 marks practical. Mathematics, English, and most other subjects are 80 marks theory with 20 marks internal assessment. All papers are 3 hours long.

Ques. What are the best books for CBSE Class 12 Chemistry 2027?

Ans. NCERT Chemistry Class 12 (Parts I and II) is the primary and most important resource. All reaction mechanisms and organic chemistry content tested in board exams come from NCERT directly. For additional practice, Modern’s ABC of Chemistry by S.P. Jauhar is widely recommended for its coverage of named reactions and mechanisms. For Physical Chemistry numericals, additional practice books focused on Electrochemistry and Chemical Kinetics are helpful.

Ques. How many months do I need to cover the full CBSE Class 12 syllabus for 2027?

Ans. Students starting focused board preparation in August 2026 have approximately 5–6 months before the February 2027 theory exams. A structured plan should allocate: the first 3 months (August–October) for completing all NCERT chapters and making notes; the next month (November) for chapter-wise revision and past-year question practice; and the final 2 months (December–January) for full-length sample paper practice under timed conditions. Practical preparation should begin by October 2026 as practicals run in January–February 2027.

Ques. What are the passing marks for CBSE Class 12 board exams 2027?

Ans. The passing mark for each subject in CBSE Class 12 board exams 2027 is 33% of total marks (theory + practical combined) and at least 33% in the theory component separately. Failing even one subject results in compartment status, for which a separate exam is held.

Ques. Are there any new subjects added to CBSE Class 12 for 2026-27?

Ans. Yes, CBSE has added new skill-based subjects as additional electives for the 2026-27 session, aligned with NEP 2020’s emphasis on vocational education. Students can opt for these as an additional sixth subject. The core subjects — Physics, Chemistry, Mathematics, Biology, English Core, Accountancy, Business Studies, Economics, History, Political Science, and Geography — retain their standard syllabus and marking scheme for the 2027 board exams.

Source: Central Board of Secondary Education — CBSE Academic Curriculum 2026-27

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.