Assam Higher Secondary Education Council Syllabus 2026
Assam Higher Secondary Education Council Syllabus
AHSEC Class 12 Syllabus 2022-23
The Assam Higher Secondary Education Council (AHSEC) has released the class 12 syllabus for the 2022-23 session on its official website. The board has reduced the class 12 syllabus by 30% for this session.
No changes have been announced for the class 11 syllabus. The maximum marks for the exam remain the same as before.
Assam Board Class 12 Highlights
Key details about the Assam Board class 12 exam are listed below.
| Particulars | Details |
|---|---|
| Name of Board | Assam Higher Secondary Education Council (AHSEC) |
| Established Year | 1984 |
| Mode of Exam | Offline |
| Date of Exam | February 20 – March 20, 2023 |
| Official Website | ahsec.assam.nic.in |
Assam Board Class 12 Subjects
There are five subjects in all streams in class 12. English is a compulsory language paper in every stream.
Economics is an optional subject for the science stream. It is a compulsory paper for the commerce and arts streams.
Modern Indian Language Subjects
English is compulsory. Students must also choose one Modern Indian Language or Alternative English. The Modern Indian Languages are:
- Assamese
- Bodo
- Hindi
- Nepali
- Urdu
- Khasi
- Garo
- Mizo
- Manipuri
- Hamar
- Bengali
Subjects by Stream
The compulsory and elective subjects for each stream are listed below.
| Arts Stream | Commerce Stream | Science Stream |
|---|---|---|
| Political Science, Economics, History, Education, Logic or Philosophy, Geography, Sociology or Anthropology, Statistics, Mathematics, Home Science, Swadesh Adhyan | Business Studies, Accountancy, Economics, Salesmanship & Advertising, Insurance, Mathematics/ Business Mathematics & Statistics, Finance, Economic Geography, Computer Science and Application, Entrepreneurship Development, Multimedia and Web Technology, Statistics | Physics, Chemistry, Mathematics, Biology, Geography, Geology, Statistics, Anthropology, Computer Science and Application, Home Science, Economics, Engineering, Drawing, Logic and Philosophy, Multimedia & Web Technology, Biotechnology, Entrepreneurship Development, Sanskrit |
| Any One Classical Language Sanskrit, Persian, Arabic |
||
| Or One of the Advanced Languages Computer Science and Application, Advanced Assamese, Advanced Hindi, Advanced Bengali, Advanced Bodo, Advanced Sanskrit, Advanced Manipuri, Geography, Sattriya Dance, Fine Arts, Entrepreneurship Development, Multimedia & Web Technology, Bihu |
||
| Any One of NSQF Subjects IT/ITES, Retail Trade, Agriculture, Agriculture & Horticulture Agriculture, Health care, Private Security, Tourism & Hospitality |
Any One of NSQF Subjects IT/ITES, Retail Trade, Agriculture, Agriculture & Horticulture Agriculture, Health care, Private Security, Tourism & Hospitality |
Any One of NSQF Subjects IT/ITES, Retail Trade, Agriculture, Agriculture & Horticulture Agriculture, Health care, Private Security, Tourism & Hospitality |
Distribution of Marks
The marks distribution for each stream is given in the table below.
| Subject/Stream | Class 11 (Theory + Practicals) | Class 12 (Theory + Practicals) | Total Mark (Class 11 + 12) |
|---|---|---|---|
| Science Stream | 70 + 30 | 70 + 30 | 200 |
| Commerce Stream | 80 + 20 | 80 + 20 | 200 |
| Arts Stream | 80 + 20 | 80 + 20 | 200 |
| Core Subjects | 100 | 100 | 200 |
Assam Board Class 12 Syllabus
The complete updated syllabus for the class 12 board exams is provided subject-wise. Students can check the syllabus for different subjects below.
Economics
Economics Syllabus
The Economics syllabus is divided into two parts: Part A and Part B. The total marks for the subject are 100.
Part A – Introductory Microeconomics for Class 11
| Units | Topics | Marks |
|---|---|---|
| Introduction | Central problems of an economy, production possibility curve and opportunity, cost, microeconomics etc. | 04 |
| Consumer Behaviour and Demand | Meaning and attainment of equilibrium through Utility Approach: One and two commodity cases, measurement of price, the elasticity of demand – percentage, total expenditure and geometric methods, etc. | 13 |
| Producer Behaviour and Supply | Production function, Supply, Cost and Revenue, etc. | 15 |
| Forms of Market and Price Determination | Forms of the market – perfect competition, monopoly, monopolistic competition– their meaning and features, etc. | 10 |
| Simple Applications of Tools of Demand and Supply | Rationing, floors and ceilings and Food Availability Decline (FAD) Theory, etc. | 08 |
Part B – Introductory Macroeconomics for Class 12
| Units | Topics | Marks |
|---|---|---|
| National Income and Related Aggregates | Circular flow of income, Measurement of National Income– Value Added method, Income method and Expenditure method, etc., concepts of GDP, GNP, NDP, NNP | 15 |
| Determination of Income and Employment | Determination of income and employment: two-sector model, Problems of excess and deficient demand, etc. | 12 |
| Money and Banking | Money: meaning, evolution and functions, Recent significant reforms and issues in Indian Banking System: privatisation and modernisation, etc. | 08 |
| Government Budget and the Economy | Government Budget – meaning and its components, objectives of the government budget, etc. | 08 |
| Balance of Payments | Foreign Exchange Rate – meaning (fixed and flexible), merits and demerits, determination through demand and supply, A brief analysis of recent exchange rate issues, etc. | 07 |
| Total | 100 |
English Syllabus
The English syllabus is divided into four sections. The marks distribution for each section is given below.
| Sections | Marks |
|---|---|
| A – Reading Skills, Unseen Passage | 10 |
| B – Writing Skills | 25 |
| C – Grammer, Narration: Direct and Indirect, Voice, Tenses, Proposition, Transformation of Sentences | 20 |
| D – Flamingo and Vistas (Prescribed Books) | 30 and 15 |
Chapters in Flamingo
- The Last Lesson
- Memories of Chota Sahib
- Lost Spring
- Indigo
- Going Places
Poetries in Flamingo
- My Mother at Sixty Six
- Keeping Quiet
- A Thing of Beauty
- A Roadside Stand
Chapters in Vistas
- The Tiger King
- Journey to the End of Earth
- On the Face of It
- Memories of Childhood
Physics Syllabus
The complete syllabus for Class 12 Physics is provided in the table below.
Assam Class 12 Physics Syllabus: Unit-Wise Marks and Topics
The Assam Higher Secondary Education Council (AHSEC) Class 12 Physics syllabus is divided into 10 units. The total marks for the theory paper are 70.
| Unit | Topics | Marks |
|---|---|---|
| Electrostatics | Electric field lines, electric flux, statement of Gauss's theorem, free charges and bound charges inside a conductor. | 08 |
| Current Electricity | Ohm's law, electrical resistance, V-I characteristics (linear and non-linear), series and parallel combinations of resistors, temperature dependence of resistance. | 08 |
| Magnetic Effects of Current and Magnetism | Ampere's law and its applications to infinitely long straight wire, straight and toroidal solenoids, magnetic hysteresis, electromagnets and factors affecting their strengths. | 08 |
| Electromagnetic Induction and Alternating Current | Alternating currents voltage, peak and RMS value of alternating current/voltage power, AC generator, and transformer. | 08 |
| Electromagnetic Waves | Electromagnetic spectrum, transverse nature of electromagnetic waves, need for displacement current. | 03 |
| Optics | Refraction and dispersion of light through a prism, total internal reflection and its applications, optical fibres, refraction at spherical surfaces, Young's double-slit experiment and expression for fringe width, coherent sources and sustained interference of light. | 14 |
| Dual Nature of Radiation and Matter | Photoelectric effect, Hertz and Lenard's observations, Einstein's photoelectric equation, Davisson-Germer experiment. | 04 |
| Atoms and Nuclei | Composition and size of nucleus, atomic masses, isotopes, isobars, isotones. | 07 |
| Electronic Devices | Zener diode as a voltage regulator, junction transistor, transistor action, characteristics of a transistor. | 07 |
| Communication System | Propagation of electromagnetic waves in the atmosphere, sky and space wave propagation, elements of a communication system. | 03 |
| Total | 70 | |
Chemistry Syllabus for Assam Class 12
The chapters included in the Assam Class 12 chemistry syllabus are listed below.
Chemistry Syllabus for AHSEC Class 12
The Chemistry syllabus is divided into 16 units. The total marks for the theory paper are 70.
| Units | Topics | Marks |
|---|---|---|
| Solid State | Unit cell in two dimensional and three-dimensional lattices, calculation of the density of unit cell, packing in solids, voids, number of atoms per unit cell in a cubic unit cell, etc. | 04 |
| Solutions | Relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure, etc. | 05 |
| Electrochemistry | Kohlrausch’s Law, electrolysis and laws of electrolysis (elementary idea), dry cell – electrolytic cells and Galvanic cells, etc. | 05 |
| Chemical Kinetics | Catalyst; order and molecularity of a reaction; rate law and specific rate constant, integrated rate equations and half-life, etc. | 05 |
| Surface Chemistry | Homogeneous and heterogeneous, activity and selectivity: enzyme catalysis; colloidal state: distinction between true solutions, colloids and suspensions, etc. | 04 |
| General Principles and Processes of Isolation of Elements | Principles and methods of extraction: concentration, oxidation, reduction electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron, etc. | 03 |
| p-Block Elements | General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties, etc. | 08 |
| d- and f- Block Elements | Interstitial compounds, alloy formation. Preparation and properties of K2Cr2O7 and KMnO4, etc. | 05 |
| Coordination Compounds | Coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds, etc. | 03 |
| Haloalkanes and Haloarenes | Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution reactions, etc. | 04 |
| Alcohols, Phenols and Ethers | Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenols, electrophilic substitution reactions, uses of phenols, etc. | 04 |
| Aldehydes, Ketones and Carboxylic Acids | Nomenclature, acidic nature, methods of preparation, physical and chemical properties, etc. | 06 |
| Organic Compounds containing Nitrogen | Nomenclature, classification, structure, methods of preparation, physical and chemical properties, etc. | 04 |
| Biomolecules | Elementary idea of a-amino acids, peptide bond, polypeptides, proteins, primary structure, secondary structure, tertiary structure and quaternary structure (qualitative idea only), denaturation of proteins, etc. | 04 |
| Polymers | Natural and synthetic, methods of polymerization (addition and condensation), copolymerization, etc. | 03 |
| Chemistry in Everyday Life | Chemicals in medicines– analgesics, tranquillizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines, etc. | 03 |
| Total | 70 | |
Mathematics Syllabus for AHSEC Class 12
The complete syllabus for mathematics is given below. The total marks for the theory paper are 100.
| Units | Topics | Marks |
|---|---|---|
| Relations and Functions | Types of relations, Types of Functions, Inverse Trigonometric functions Basic concepts, etc. | 10 |
| Algebra | Matrices Concept of a matrix and its notation and order, etc. | 13 |
| Calculus | Continuity and Differentiability, Application of Derivatives, Integrals, etc. | 44 |
| Vectors Algebra and Three-Dimensional Geometry | Vectors and scalars, magnitude and direction of a vector, Cartesian and vector equation of a plane, etc. | 17 |
| Linear Programming | Introduction, related terminology such as constraints, objective function, optimization, different types of linear programming, etc. | 06 |
| Probability | Multiplication theorem on probability. Conditional probability, independent events, total probability, Bayes theorem, etc. | 10 |
| Total | 100 | |
Biology Syllabus for AHSEC Class 12
The syllabus of Biology is divided into two sections – Botany and Zoology.
Biology (Botany and Zoology) Syllabus
The Biology paper is divided into two groups: Botany and Zoology. The total marks for the theory paper are 70.
Group A – Botany
| Unit | Topics | Marks |
|---|---|---|
| Sexual Reproduction | Asexual Reproduction, Sexual Reproduction, Apomisix and Polyembryony, etc. | 06 |
| Genetics and Evolution | Evolution of Life Forms- A Theory, Mechanism of Evolution, A Brief account of Evolution, Origin and Evolution of Man, etc. | 05 |
| Biology and Human Welfare | Animal Husbandry, Tissue Culture, Microbes in Sewage Treatment, Microbes as Biofertilisers, etc. | 07 |
| Biotechnology and its Applications | Principles of Biotechnology, Tools of recombinant DNA Technology, Biotechnological Applications in Medicine, etc. | 12 |
| Ecology | Organism and its Environment, Populations, Medicinal and Timber Yielding Plants, etc. | 05 |
Group B – Zoology
| Unit | Topics | Marks |
|---|---|---|
| Reproduction | Pregnancy and Embryonic Development, Medical Termination of Pregnancy, etc. | 05 |
| Genetics and Evolution | Sex Determination, Replication, Human Genome Project, DNA Fingerprinting, etc. | 15 |
| Biology and Human Welfare | Common Diseases in Humans, Drugs and Alcohol Abuse, Single Cell Protein, etc. | 05 |
| Biotechnology and its Applications | Biotechnological Applications in Agriculture, Transgenic Animals, Ethical Issues, etc. | 01 |
| Ecology | Ecological Pyramids, Biodiversity Conservation, Medicinal and Timber Yielding Plants, Degradation by Improper Resource Utilization and Maintenance, etc. | 09 |
| Total | 70 |
Computer Science and Application Syllabus
The Computer Science and Application paper has four units. The total marks for the theory paper are 70.
| Units | Names | Marks |
|---|---|---|
| I | Programming Methodology & Flowchart | 15 |
| II | Programming in C++ | 30 |
| III | Data Structures in C++ | 15 |
| IV | Introduction to Computer Networking | 10 |
| Total | 70 |
Business Studies Syllabus
The Business Studies syllabus is available for students to check. The details are provided below.
Business Studies Syllabus for AHSEC Class 12
The Business Studies syllabus for AHSEC Class 12 is divided into two parts. Part A covers Principles and Functions of Management, and Part B covers Business Finance and Marketing. The total marks for the subject are 100.
Part A – Principles and Functions of Management
Part A contains eight units. Each unit is worth 8 marks, making a total of 64 marks for this section.
| Units | Topics | Marks |
|---|---|---|
| Nature and Significance of Management | Management– concept, objectives, importance, Nature of management; Management as Science, Management functions - planning, organising, staffing, directing and controlling etc. | 08 |
| Principles of Management | Principles of Management — meaning, nature and significance, Fayol’s Principle of Management, Taylor’s Scientific Management– Principles and Techniques, etc. | 08 |
| Business Environment | Business Environment– meaning and importance, Dimensions of Business Environment— Economic, Social, Technological, Political and Legal, etc. | 08 |
| Planning | Meaning, features, importance, limitations, types of Plans- Objectives, Strategy, Policy, Procedure, Method, Rule, Budget, Programme, etc. | 08 |
| Organizing | Meaning and importance, Formal and information organisation, Difference between delegation and decentralisation, etc. | 08 |
| Staffing | Meaning, need and importance of staffing, Steps in staffing process, Selection– meaning and process, etc. | 08 |
| Directing | Meaning, importance and principles, Motivation- meaning and importance. Maslow’s hierarchy of needs, etc. | 08 |
| Controlling | Meaning and importance, Steps in the process of control, Techniques of controlling, etc. | 08 |
Part B – Business Finance and Marketing
Part B contains four units. The total marks for this section are 36.
| Units | Topics | Marks |
|---|---|---|
| Financial Management | Capital Structure– Meaning and factors, Financial planning– meaning and importance, etc. | 10 |
| Financial Markets | Capital Market: nature and types – primary and secondary market, distinction between capital market and money market, etc. | 10 |
| Marketing | Distinction between marketing and selling, Product —nature, classification, branding, labelling and packaging, etc. | 10 |
| Consumer Protection | Consumer rights, way and means of consumer protection — consumer awareness and legal redressal with special reference to Consumer Protection Act, etc. | 06 |
| Total | 100 |
Accountancy Syllabus for AHSEC Class 12
The Accountancy syllabus is divided into three parts. Part A is compulsory, and students must attempt either Part B or Part C.
Part A – Accounting for Not-for-Profit Organisations and Partnership Firms
Part A is worth 50 marks. It has five units, each carrying 10 marks.
| Units | Topics | Marks |
|---|---|---|
| I | Accounting for Not-for-Profit Organisations | 10 |
| II | Accounting for Partnership: Basic Concepts | 10 |
| III | Reconstitution of Partnership Firm – Admission of a Partner | 10 |
| IV | Reconstitution of Partnership Firm – Retirement/Death of a Partner | 10 |
| V | Dissolution of Partnership Firm | 10 |
Part B – Company Accounts and Analysis of Financial Statements
Part B is worth 50 marks. It has six units.
| Units | Topics | Marks |
|---|---|---|
| I | Accounting for Share Capital | 15 |
| II | Issue and Redemption of Debentures | 10 |
| III | Finanacial Statements of a Company | 08 |
| IV | Analysis of Financial Statements | 07 |
| V | Accounting Ratios | 05 |
| VI | Cash Flow Statement | 05 |
Part C – Computerised Accounting System
Part C is worth 50 marks. It has four units.
| Units | Topics | Marks |
|---|---|---|
| I | Overview of Computerised Accounting System | 10 |
| II | Using Computerised Accounting System | 15 |
| III | Accounting using Database Management System | 15 |
| IV | Accounting Applications of Electronic Spreadsheet | 10 |
Note: Students need to attempt any one section (Part B or Part C) in the Accountancy paper. Part A is compulsory.
Frequently Asked Questions
Where can we get the latest updates from AHSEC?
Both SEBA and AHSEC have separate official websites on which they publish the latest notifications and updates. Students are advised to frequently visit the official websites and follow authorized websites for updates on results, syllabus, and marking schemes.
What is the pass mark for the Assam Board class 12 examination?
For class 12, if the subject includes practical as well as theory examination, the candidate should obtain 30% of marks in both practicals and theory separately to pass the examination.
Passing Marks in Optional Subjects
Yes, it is compulsory to pass in optional subjects in Class 12. A student must secure at least 33% in all subjects, whether optional or compulsory.
Any candidate who secures less than 33 marks in any subject has to appear in a supplementary examination.
Revised Syllabus for Class 12
Yes, AHSEC has released the revised syllabus for Class 12. The updated syllabus is available on the official website of the Assam Higher Secondary Education Council.
Students can check the detailed syllabus on the official website.
