TN Board 10th Syllabus 2025: Tamil Nadu Board of Secondary Education declares it. Here we have mentioned the TN Board 10th Syllabus of all streams. On the below links students can download the pdf of the syllabus.
TN Board 10th Exam 2025 (Useful Links) |
TN Board 10th Time Table |
TN Board 10th Admit Card |
TN Board 10th Result |
TN Board 10th Exam |
Subjects (Tamil) |
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English |
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Maths |
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Science |
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Tamil |
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Social Science |
Subjects (English) |
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Tamil |
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English |
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Maths |
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Science |
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Social Science |
TN Board Class 10th Science Syllabus |
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1. Heredity and Evolution
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1.1 Heredity |
1.2 Variations |
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1.3 Evolution |
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1.4 Speciation |
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1.5 Human evolution |
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1.6 Evolution tree |
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1.7 Genetic engineering |
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1.8 Biotechnology and cloning |
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1.9 Stem cell-Organ culture |
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1.10 Microbial production. |
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1.11 Biosensor – Biochips |
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1.12 Science today – Gene Therapy |
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2: Immune System
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2.1 Health and its significance |
2.2 Diseases and causes |
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2.3 Diseases caused by microbes and prevention |
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2.4 Modes of transmission |
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2.5 Immunization |
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2.6 Treatment and prevention |
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2.7 Biotechnology in Medicine |
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2.8 HIV and Prevention |
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3: Structure & Function of the Human Body – Organ System
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3.1 Nervous system |
3.2 Endocrine system |
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3.3 Cell division - Stages of Meiosis |
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3.4 Heredity |
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4: Reproduction in Plants
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4.1 Modes of reproduction - vegetative, asexual, and sexual reproduction in plants |
4.2 Pollination |
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4.3 Fertilization |
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4.4 Fruits and seeds |
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5: A Representative Study of Mammals Morphology
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5.1 Habitats |
5.2 Adaptations |
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5.3 Basic Physiological Functions. |
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5.4 Circulatory system in man. |
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5.5 Excretory system in man. |
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5.6 Relationship of structure to functions |
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5.7 Animal Behaviour |
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5.8.1 Behaviour (social, reproductive, parental care) |
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5.8.2 Some case studies from researchers(animals behavior) |
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6: Life Processes
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6.1 Definition |
6.2 Types of nutrition and the human digestive system |
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6.3 Respiration |
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6.4 Transportation in plants-water and minerals and animals - blood circulation |
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6.5 Excretion in plants and animals |
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6.6 Nervous system |
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6.7 Coordination in plants |
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6.8 Movement due to growth |
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6.9 Hormones in animals |
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7: Conservation of Environment
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7.1 Biodegrade Gradable non-biodegradable wastes |
7.2 Water management |
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7.3 Wildlife sanctuaries |
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7.4 Balance in Ecosystem |
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7.5 Coal and petroleum |
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7.6 Green chemistry |
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8: Wastewater Management
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8.1 Journey of water |
8.2 Sewage |
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8.3 Treatment |
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8.4 Domestic practices |
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8.5 Sanitation and diseases |
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8.6 Alternate arrangement for sewage disposal |
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8.7 Sanitation in public places |
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8.8 Energy Management |
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8.8.1 Energy audit (home, school) |
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8.8.2 Renewable sources (solar, hydrogen, wind) |
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8.8.3 Non–renewable sources—(coal, petroleum, natural gas) |
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9 Solutions
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9.1 Solute and Solvent |
9.2 Types of Solutions |
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9.3 Solubility |
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9.4 Factors Affecting Solubility |
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9.5 Problems |
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10: Atoms and Molecules
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10.1 Modern atomic theory |
10.2 Avogadro Hypothesis |
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10.2.1 Atomicity |
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10.2.2 Relation between vapor density and molecular mass of agas |
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10.3 Difference between Atom and Molecules |
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10.4 Relative Atomic Mass |
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10.5. Relative Molecular mass |
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10.6 Mole Concepts |
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10.6.1 Mole-Definition |
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10.6.2 Problems based on mole concept |
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11: Chemical Reactions
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11.1 Types of chemical reactions |
11.2 Rate of the chemical reaction |
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11.2.1 Factors influencing the rate of the chemical reaction |
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11.3 Acids |
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11.3.1 Classification of acids |
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11.3.2 Chemical properties of acids |
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11.4 Bases |
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11.4.1 Classification of bases |
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11.4.2 Chemical properties of bases |
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11.4.3 uses of bases |
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11.5 Identification of acids and bases |
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11.6 pH scale |
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11.6.1 pH paper |
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11.6.2 Importance of pH in everyday life. |
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11.7 Salts |
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11.7.1 Classification of salts |
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11.7.2 Uses of salts |
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12: Periodic Classification of Elements
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12.1 Modern periodic law |
12.2 Modern periodic table |
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12.3 Characteristics of the modern periodic table |
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12.4 Metallurgy |
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12.4.1 Introduction |
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12.4.2 Terminologies in metallurgy |
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12.4.3 Differences between Minerals and Ores |
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12.5 Occurrence of metals |
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12.6 Metallurgy of Al, Cu, and Fe |
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12.6.1 Metallurgy of Aluminium |
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12.6.2 Metallurgy of Copper 12.6.3 Metallurgy of iron |
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12.7 Alloys |
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12.7.1 Methods of making alloys |
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12.7.2 Copper Aluminium and Iron alloys |
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12.8 Corrosion |
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12.8.1 Method s of preventing corrosion |
TN Board 10th Syllabus for History
Particular | Details |
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Unit 1 |
The rise of Imperialism Factors-forms-methods conquest of India, China. and its effects |
Unit 2 |
First world war causes, Course-Effects. League of Nations and its failure. |
Unit 3 |
The world between the world wars – Economic depression – Rise of Fascism and Nazism. |
Unit 4 |
Second world war-Causes- Course- Effect UNO and its achievements. |
Unit 5 |
The great revolt of 1857-Social, religious reform movements–Cause for the rise of national movements-Pre-Gandhian Era and Gandhian Era. |
Unit 6 |
The social-religious reform movement in the 19th century Raja Rammohan RaiAnne Besant-Dayananda Saraswati Swami Vivekananda-Ramalinga Adigalar. |
Unit 7 |
Causes for the rise of Nation Movements-Pre-Gandhian Era Gandhian Era-Role of Tamil Nadu in Freedom struggle |
Unit 8 |
Social Transformation in Tamilnadu |
TN SSLC 10th Syllabus of Geography
Particular | Details |
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Unit 1
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India |
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Unit 2
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National Resources |
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Unit 3
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Agriculture and Industry |
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Unit 4 |
Environmental issues |
Unit 5
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Trade, Transport, and communication |
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TN Board 10th Syllabus Economics
Particular | Details |
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Unit 1
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Unit 2
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TN Board 10th Syllabus Mathematics
Particular | Details |
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I. Theory of Sets
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i. Introduction |
ii. Properties of operations on sets |
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iii. De Morgan’s law verification using example Venn diagram |
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iv. The formula for n A B C ( ) È È |
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v. Functions |
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II. Sequences and Series of Real Numbers
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i. Introduction |
ii. Sequences |
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iii. Arithmetic Progression (A.P) |
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iv. Geometric Progression (G.P) |
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v. Series |
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III. Algebra
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i. Solving linear equations |
ii. Polynomials |
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iii. Synthetic division |
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iv. Greatest common divisor (GCD) and Least common multiple (LCM) |
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v. Rational expressions |
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vi. Square root |
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vii. Quadratic Equations |
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IV. Matrices
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i. Introduction |
ii. Types of matrices |
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iii. Addition and subtraction |
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iv. Multiplication |
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v. Matrix equation |
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V. Coordinate Geometry
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i. Introduction |
ii. Revision: The distance between two points |
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iii. Section formula, Midpoint formula, Centroid formula |
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iv. Area of a triangle and quadrilateral |
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v. Straight line |
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VI. Trigonometry
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i. Introduction |
ii. Identities |
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iii. Heights and distances |
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VII. Geometry
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i. Basic proportionality theorem (with proof) |
ii. The converse of Basic proportionality theorem (with proof) |
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iii. Angle bisector theorem (with proof) |
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iv. The converse of Angle bisector theorem (with proof) |
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v. Similar triangles |
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VIII. Measurements
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i. Introduction |
ii. Surface Area and Volume of Cylinder, Cone, Sphere, Hemisphere, Frustum |
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iii. Surface area and volume of combined figures iv. Invariant volume |
TN Board Class 10th Syllabus for Civics
Particular | Details |
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Unit 1 |
India and world peace |
Unit 2 |
Democracy-Unity in Diversity |
Unit 3 |
Consumer Rights |
TN Board 12th Exam 2025 (You can also go through with the following Links) |
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