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TBSE 12th Syllabus 2021
Tripura Board of Secondary Education (TBSE) was established in 1973 by the Tripura Board of Secondary Education Act, 1973. From 1st January 1976, the board started functioning to control and develop education in the state. Tripura Board of Secondary Education (TBSE) updates and publishes the 12th syllabus once every three years. Candidates can download the syllabus in PDF format for reference while preparing for the board examination. TBSE 12th syllabus contains essential information about all the subjects and topics covered for the TBSE 12th exams. It also includes the marking scheme for every subject and topic.
â TBSE 12th Admit Card 2021  â TBSE 12th Sample Paper 2021  â TBSE HS Time Table 2021 
 Important dates of TBSE 12th syllabus 2021
 TBSE 12th exam subject list
 Syllabus for TBSE 12th 2021
 Links to download PDF of TBSE syllabus 2021
 Steps to download TBSE syllabus 2021
TBSE 12th Syllabus 2021  Important Dates and Highlights
According to the latest report, TBSE will conduct class 12th exams from 18th May 2021 onwards due to the COVID  19 situation. The following are some important dates students must refer to:
Board name 
Tripura Board of Secondary Education 
Inception 
1976 
Headquarters 
Agartala, Tripura, India 
Exam commencement date 
18th May 2021 
Admit card release date 
Last week of April 2021 (tentative) 
Result announcement date 
July 2021 (tentative) 
Website 
tbse.tripura.gov.in 
TBSE 12th Syllabus 2021 Subject List
Below is a list of subjects under TBSE 12th board 2021:

Statistics

Physics

Chemistry

Biology

Mathematics

Political science

History

Business studies

Bengali

Psychology

Sanskrit

Accountancy

Kokborok

Economics

Hindi

Sociology

English

Geography

Nutrition

Music
TBSE 12th Syllabus 2021 (StreamWise)
The board has recently reduced the syllabus of a few subjects by 30%. Students can download the reduced TBSE 12th syllabus 2021 from below to prepare accordingly for the examinations commencing on 18th May 2021.
 TBSE 12th Science Stream Syllabus
 TBSE 12th Arts and Commerce Stream Syllabus
 TBSE 12th Language Stream Syllabus
 TBSE 12th Practical Exam Syllabus
TBSE 12th Science Stream Syllabus
Science streams consist of subjects like Physics, Chemistry, Maths and other subjects:
TBSE 12th Mathematics Syllabus 2021
The statistics consist of 5 units in total for the TBSE 12th examination 2021:
Unit 
Topics Covered 

Unit I: Mathematics 
The basic concept of Limit, Continuity and Differentiability. The first and secondorder derivates of a variety of nontrigonometric univariate functions. Maximum and minimum of a variety of nontrigonometric univariate functions. Integration of a variety of nontrigonometric univariate functions by substitution, by partial fractions and by parts. The standard definition of gamma integral and results involving it (without derivations). 
Unit II: Correlation & Regression 
Bivariate data. Scatter diagram. Correlation and Correlation coefficient. Properties of Correlation coefficient. Rank correlation, Spearman's rank correlation coefficient (without tie). The concept of regression. The principle of least squares. Fitting of Regression lines. Important results relating to regression lines. 
Unit III: Probability & Probability Distributions 
Random experiment, Trial, Sample space, Sample point and different types of events.Definition of Probability: Classical, Statistical & Axiomatic. The theorem on the probability of a union of (two & three) events. Conditional probability, Theorem on conditional probability for two & three events. Independence of events. Bayes' theorem and its application. Random variable (discrete and continuous) and its probability distribution. Cumulative distribution function. Probability mass function and Probability density function. Mathematical Expectation. Uniform (Discrete & Continuous), Bernoulli, Binomial, Poisson, Geometric, Exponential & Normal distributions. 
Unit IV: Sampling, Estimation & Testing of Hypothesis 
Population & Sample. Parameter & Statistic. Census & Sample Survey. Concepts of probability sampling and random number tables. Concepts of the Sampling distribution of statistic and its Standard Error. Simple random sampling with replacement (SRSWR) and simple random sampling without replacement (SRSWOR). The concept of point estimation. The requirement of a good estimator: Unbiasedness, Consistency, Efficiency. The elementary concept of MVUE & BLUE. Statistical tests of Hypothesis  Null and alternative hypotheses. Simple and composite hypotheses, Critical region, TypeI and typeII errors, Level of significance and size of the critical region, Power of a test. Tests of significance related to a single Binomial proportion, Poisson Parameter and two Binomial proportions using large sample approximations. 
Unit V: Population Studies 
Vital events. Rates and ratios. Measurement of mortality: Crude, Specific and Standardised death rates, Infant mortality rate. Measurement of fertility and Reproduction: Crude birth rate, General, Specific and Total fertility rates, Gross and Net reproduction rates 
TBSE 12th Syllabus 2021 for Physics
The reduced syllabus for Physics consists of 10 units as follows:
S.No. & Unit Name 
Content 
Period Allocated 
1. Electrostatics 
Conservation of charge, Coulomb'sforce between two point charges, forces, forces between multiple charges; superposition principle and continuous charge distribution. Electric field, electric field due to a point charge, electric field lines; electric dipole, electric field due to a dipole; torque on a dipole in a uniform electric field. Electric flux, statement of Gauss’ theorem and its application to find field due to an infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell (field inside and outside). Electric potential, potential difference, electric potential due to a point charge, a dipole and system of charges; equipotential surfaces, electrical potential energy of a system of two point charges and electric dipole in an electrostatic field. Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and electric polarization, capacitors and capacitance, the combination of capacitors in series in parallel, the capacitance of a parallel plate capacitor with one without dielectric medium between the plates, energy stored in a capacitor. Van de Graaff generator 
25 
2. Current Electricity 
Electric current, the flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current; Ohm’s law electrical resistance, VI characteristics (linear and nonlinear), electrical energy and power, electrical resistivity and conductivity. Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance. The internal resistance of a cell, potential difference and emf of a cell, combination of cells in series and parallel. Elementary idea of secondary cells. Kirchoffs’ laws and simple applications. Wheatstone bridge, 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. 
25 
3. Magnetic effects of current and magnetism 
The concept of the magnetic field, Oersted’s experiment. Biot  Savart law and its application to current carrying circular loop. Ampere’s law and its application to infinitely long straight wire, straight and toroidal solenoids. Force on a moving charge in uniform magnetic and electric fields. Cyclotron. Force on a currentcarrying conductordefinition of ampere. Torque experienced by a current loop in a uniform magnetic field; moving coil galvanometer its current sensitivity and conversion to ammeter and voltmeter. Current loop as a magnetic dipole and its magnetic dipole moment. The magnetic dipole moment of a revolving electron. Magnetic dipole moment. The magnetic dipole moment of a revolving electron. Magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis. Torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, magnetic field lines; Earth’s magnetic field and magnetic Concept of the magnetic field, Oersted’s experiment.Biot  Savart law and its application to current carrying circular loop.Ampere’s law and its application to infinitely long straight wire, straight and toroidal solenoids. Force on a moving charge in uniform magnetic and electric fields. Cyclotron. Force on a currentcarrying conductordefinition of ampere. Torque experienced by a current loop in the uniform magnetic field; moving coil galvanometer its current sensitivity and conversion to ammeter and voltmeter. Current loop as a magnetic dipole and its magnetic dipole moment. The magnetic dipole moment of a revolving electron. Magnetic dipole moment. The magnetic dipole moment of a revolving electron. Magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis. Torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, magnetic field lines; Earth’s magnetic field and magnetic 
25 
4. Electromagnetic Induction & alternating currents 
Electromagnetic induction; Faraday’s laws, induced emf and current; Lenz’s Law, Eddy currents. Self and mutual induction. Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, wattles current. AC generator and transformer. 
20 
5. Electromagnetic waves 
Need for displacement current.Electromagnetic waves and their characteristics (qualitative ideas only). Transverse nature of electromagnetic waves. Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, Xrays, gamma rays) including elementary facts about their uses. 
4 
6. Optics 
Reflection of light, spherical mirrors, mirror formula. Refraction of light, total internal reflection and its applications, optical fibres, refraction at the spherical surface, lenses, thin lens formula, lens maker's formula. Newton’s relation: Displacement method to find the position of images (conjugate points) Magnification, power of a lens, combination of thinlenses in contact, the combination of a lens and a mirror. Refraction and dispersion of light through a prism. Scattering of light  blue colour of the sky and reddish appearance of the sun at sunrise and sunset. Elementary idea of the Roman effect. Optical instruments: Human eye, image formation and accommodation, correction of eye defects (myopia, hypermetropia, presbyopia and astigmatism) using lenses. Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers. 
30 
7. Dual Nature of Matter and Radiation 
Dual nature of radiation. Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equationparticle nature of light. Matter waveswave nature of particles, de Broglie relation. DavissonGermer experiment (experimental details should be omitted; only conclusion should be explained). 
8 
8. Atoms & Nuclei 
Alphaparticle scattering experiment; Rutherford’s model of atom; Bohr model, energy levels, hydrogen spectrum. Continuous and characteristic Xrays. Composition and size of nucleus, atomic masses, isotopes, isobars; isotones. Radioactivityalpha, beta and gamma particles/rays and their properties; radioactive decay law. Massenergy relation, mass defect; binding energy per nucleon and its variation with mass number; nuclear fission and fusion. 
18 
9. Electronic Devices 
Energy bands in solids, conductors, insulators and semiconductors; semiconductor diode  IIV characteristics in forward and reverse bias, diode as a rectifier, IV Characteristics in forward and reverse bias, diode as a rectifier; IV characteristics of LED, photodiode, solar cell and Zener diode. Zener diode as a voltage regulator, Junction transistor, transistor action, characteristics of a transistor; transistor as an amplifier (common emitter configuration) and oscillator. Logic gates (OR, AND, NOT, NAND and NOR). The transistor as a switch. 
18 
10. Communication Systems 
Elements of a communication system (block diagram only); bandwidth of signals (speech, TV and digital data); bandwidth of transmission medium. Propagation of electromagnetic waves in the atmosphere, sky and space wave propagation. Need for modulation. Production and detection of an amplitudemodulated wave. 
10 
TBSE 12th Syllabus 2021 for Chemistry
The Chemistry syllabus consists of 16 units as follows:
S.No & Unit Name 
Content 
Period 
1. Solid State 
Classification of solids based on different bindings forces: molecular, ionic, covalent and metallic solids, amorphous and crystalline solids (elementary idea), unit cell in two dimensional and threedimensional lattices, packing efficiency, calculation of density of unit cell, packing in solids, voids, number of atoms per unit cell in a cubic unit cell, point defects, electrical and magnetic properties. Band theory of metals conductors, semiconductors and insulators and n & ptype semiconductors. 
12 
2. Solutions 
Types of solutions, expression of concentration of solutions of solids in liquids, the solubility of gases in liquids, solid solutions, colligative properties – relative lowering of vapour pressure, Rault’s law, the elevation of boiling point, depression of freezing point, osmotic pressure determination of molecular masses using colligative properties, abnormal molecular mass, can't Hoff factor and calculations involving it. 
12 
3. Electrochemistry 
Redox reactions, conductance in electrolytic solutions, specific and molar conductivity, variations of conductivity with concentration, Kohlrausch’s Law, electrolysis and laws of electrolysis (elementary idea), dry cell – electrolytic cells and Galvanic cells; lead accumulator, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, Relation between Gibbs energy change and emf of a cell, fuel cells: corrosion 
14 
4. Chemical Kinetics 
Principles and methods of extraction  concentration, oxidation, reduction electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and Iron. 
8 
5. Surface Chemistry

Adsorption – Physisorption and chemisorption; factors affecting adsorption of gases on solids; catalysis: homogeneous and heterogeneous, activity and selectivity: enzyme catalysis; colloidal state: the distinction between true solutions, colloids and suspensions; lyophilic, lyophobic, multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation; emulsion – types of emulsions, Elementary idea of nanomaterials. 
8 
6. 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. 
8 
7. pBlock Elements 
Group 15 elements,Group 16 elements,Group 17 elements ,Group 18 elements 
14 
8. d and f Block Elements 
General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the firstrow transition metals – metallic character, ionization, enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation. Preparation and Properties of K_{2}Cr_{2}O_{7} & KMnO_{4} 
14 
9. Coordination compounds 
Coordination compounds  Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds, Bonding (Werner’ theory. VBT and CFT): structural and stereoisomerism, the importance of coordination compounds (in the qualitative inclusion of analysis, extraction of metals and biological systems) 
12 
10. Haloalkanes and Haloarenes 
Haloalkanes. 
12 
11. Alcohols, Phenols and Ethers 
Alcohols, Phenols, Ether 
12 
12. Aldehydes, Ketones and Carboxylic Acids 
Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties and mechanism of nucleophilic addition, the reactivity of alpha hydrogen in aldehydes; uses. Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses 
12 
13. Organic compounds containing Nitrogen 
Nitro Compounds: General methods of preparation and chemical reactions. Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines. Cyanides and Isocyanides: will be mentioned at relevant places in context. Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry 

14. Biomolecules 
Carbohydrates, Proteins, Vitamins, Nucleic Acids. 
8 
15. Polymers 
Classification  natural and synthetic, methods of polymerization (addition and condensation), copolymerization. Some important polymers: natural and synthetic like polythene, nylon, polyesters, bakelite, rubber, Biodegradable and nonbiodegradable polymers 
8 
16. Chemistry in Everyday life 
1. Chemicals in medicines: analgesics, tranquillizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines. 2. Chemicals in food: preservatives, artificial sweetening agents, elementary idea of antioxidants 3. Cleansing agents: soaps and detergents, cleansing action. 
8 
TBSE 12th Arts and Commerce Stream
The TBSE 12th Arts and Commerce stream consists of subjects like History, Political Science and many more.
TBSE 12th Political Science Syllabus 2021
This subject consists of 10 units in total:
Chapters 
Topics 
Marks 
1. Major Political Concepts 
i) New Liberalism ii) Marxism iii) Gandhism 
7 
2. Organs of Government 
i) Separation of Power ii) a) Executive Functions b) Legislature iii) Judiciary 
10 
3. Executive in India 
i) The President ii) The Prime Minister iii) The Governor of a State iv) The Chief Minister of a State 
9 
4. Legislature in India 
i) The Parliament ii) State Legislature Assembly (with special reference to Tripura) iii) Parliamentary Procedure – Zero Hour, No Confidence cut and Adjournment Motion, Calling Attention Motion (meaning) 
11 
5. Judiciary in India 
i) Supreme Court ii) High Court iii) Subordinate Judiciary iv) Lok Adalat and Consumer Court 
9 
6. Local Self Government 
i) Rural Self Government (Composition, Function and Sources of Income with special reference to Tripura) ii) Urban self Government, Composition and Functions (with special reference to Tripura) 
10 
7. International Relations and Politics 
i) Meaning of International Relations and Politics ii) Some key concepts in International Relations and Politics 
7 
8. International Relations in the Post Second World War Period 
i) Cold War ii) NonAlignment Movement iii) Globalization 
9 
9. U.N.O 
i) Origin ii) The U.N and its evolution on peacekeeping operations 
9 
10. Foreign Policy 
i) Foreign Policy – Meaning and determinants ii) Basic features of Indian Foreign Policy iii) India and SAARC 
9 
TBSE 12th Language Stream 2021
The language stream consists of subjects like English, Bengali etc.
TBSE 12th English Syllabus 2021
The English syllabus comprises sections from Prose, Poetry, Writing, Grammar, and Comprehension.
Units 
Topics 
Marks 
Writing 

30 
Comprehension 
One passage for comprehension (maximum 400  500 words) 
20 
Literature 
Questions from Reader and Supplementary Reader 
30 
TBSE 12th Syllabus 2021 for Practicals
Practical exams also consist of valuable marks which will be finalized on the marksheet of the candidates, and therefore students must appear for the same without fail:
Evaluation Scheme for Examination 
Marks 
Practical notebook 
5 
Viva Voce 
5 
Experiments (5+5+10) 
20 
Total 
30 
TBSE 12th Physics Practical 2021
Every student will perform at least 12 experiments (6 from Section A & 6 from section B). The activities mentioned here should only be for demonstration. One project of three marks is to be carried out by the students.
Evaluation Scheme for Examination 
Marks 
Two experiments, one from each section 
8+8 
Practical record (experiments & activities) 
6 
Project 
3 
Viva on experiments & project 
5 
Total 
30 
TBSE 12th Chemistry Practical 2021
TBSE Chemistry practical 2021 will be of 3 hours with the marks allotted as below:
Evaluation Scheme for Examination 
Marks 
Volumetric Analysis (Redox) 
10 
Salt Analysis (Single salt) 
8 
ContentBased Experiment (Anyone: (i) Organic Functional Group, (ii) Preparation of lyophilic sol or lyophobic sol, (iii) Preparation of double salt) 
6 
Class record and viva 
6 
Total 
30 
TBSE 12th Syllabus PDF Download
Below are the direct links to PDFs of different subjects for the students to download and prepare well:
TBSE 12th Syllabus 2021 for Bengali
Bengali exam will be of 80 marks, and 20 marks will be from internal assessments. The duration of the examination will be 3 hours and 15 minutes. TBSE 12th syllabus 2021 for Bengali contains a detailed syllabus and marks for students to prepare accordingly. Students can download the syllabus given below for future use.
TBSE 12th Syllabus 2021 for Biology
The biology theory examination will be of 70 marks, and the remaining 30 marks will include 20 marks from experiments and five marks each from the practical notebook and preboard examination. Students can download the reduced TBSE 12th syllabus for biology from below:
TBSE 12th Syllabus 2021 for Sociology
The board has recently reduced the syllabus of a few subjects by 30%. Students can download the reduced TBSE 12th syllabus 2021 for Sociology from below to prepare accordingly for the examinations commencing from 18th May 2021.
TBSE 12th Syllabus 2021 for Political Science
The reduced 12th syllabus 2021 for political science contains the chapter names, chapterwise marks distribution and blueprint of the question paper. Students can download the TBSE 12th syllabus 2021 pdf for future use.
How to Download TBSE 12th Syllabus 2021?
Students can follow the steps given below to download the TBSE 12th syllabus 2021 from the official website:
Step 1: Visit the Tripura board's official website  tbse.tripura.gov.in
Step 2: Scroll down to the bottom of the home page and click on the "Syllabus" option.
Step 3: Click on the "Reduced TBSE Syllabus" link or scroll under the "Class XII" band to get the individual subject syllabus.
Step 4: Candidates should click on the required subject link to open the syllabus.
Step 5: Download and save the TSEB 12th Syllabus 2021 in PDF format.