National Standard Examination 2026: The NSE exam is one of the preliminary exams conducted for students who are interested in the Science Olympiad Programmes in Physics, Chemistry, Biology and Astronomy subjects.
NSE 2026 exam will be conducted through the Indian Association of Physics Teachers (IAPT), while the subsequent stages of the national Olympiad programme in Astronomy, Biology, Chemistry and Physics are handled by the Homi Bhabha Centre for Science Education (HBCSE), TIFR, Mumbai.
The NSE 2026 exam is scheduled to be held on November 21 and November 22, 2026 at multiple exam centres across the nation. The examination will be conducted offline using OMR answer sheets at approved examination centres.
This Sciastra blog covers everything about NSE Exam 2026, including important dates, eligibility criteria, registration, application fee, exam pattern, marking scheme, syllabus, selection process, previous-year papers, preparation strategy and other important details.
NSE 2026 Highlights
Candidates can check out the key important highlights of the NSE Exam 2026 from here:
Particular | Details |
Exam Name | National Standard Examination 2026 |
Conducting Organisation | Indian Association of Physics Teachers (IAPT) |
Olympiad Cycle | 2026–27 |
Purpose | Stage I of the Science Olympiad Programme |
Subjects | Astronomy, Physics, Chemistry, Biology and Junior Science |
Senior Exams | NSEA, NSEP, NSEC, NSEB |
Junior Exam | NSEJS |
NSE 2026 Registration Dates | August 1, 2026 to September 16, 2026 |
Examination Mode | Offline, pen-and-paper/OMR |
Senior Science Level | Broadly up to Class XII CBSE level |
Junior Science Level | Broadly up to Class X CBSE level |
Fee | ₹300 per student per subject |
Exam Dates | November 21–22, 2026 |
Further Olympiad Stage | Indian National Olympiad (INO) for eligible senior-subject candidates |
What is the National Standard Examination (NSE)?
The National Standard Examination (NSE) is the first stage of India's national selection process for the International Science Olympiads in Astronomy, Biology, Chemistry and Physics. IAPT conducts Stage I, while HBCSE takes responsibility for subsequent stages of the senior Science Olympiad programme.
The official HBCSE Science Olympiad page describes NSE as Stage I, followed by the Indian National Olympiad examinations, Orientation-cum-Selection Camps and eventually the International Olympiads.
NSE is not a single-subject examination. It consists of separate examinations:
NSEA – National Standard Examination in Astronomy
NSEP – National Standard Examination in Physics
NSEC – National Standard Examination in Chemistry
NSEB – National Standard Examination in Biology
NSEJS – National Standard Examination in Junior Science
The four senior examinations broadly correspond to Class XII level, whereas NSEJS is conducted at the Class X level.
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NSE 2026 Exam Dates
The NSE 2026 examination schedule announced by IAPT is given below:
Examination | Subject | Date | Time |
NSEA 2026 | Astronomy | November 21, 2026 | 2:30 PM–4:30 PM |
NSEP 2026 | Physics | November 22, 2026 | 8:30 AM–10:30 AM |
NSEC 2026 | Chemistry | November 22, 2026 | 11:30 AM–1:30 PM |
NSEB 2026 | Biology | November 22, 2026 | 2:30 PM–4:30 PM |
NSEJS 2026 | Junior Science | November 22, 2026 | 2:30 PM–4:30 PM |
NSE 2026 Registration Dates
The current IAPT portal lists the following enrolment timeline:
Event | Date |
Centre Registration | August 1–31, 2026 |
Student Enrolment through Centre | August 1–September 16, 2026 |
Individual Online Student Enrolment | August 21–September 16, 2026 |
Examination | November 21–22, 2026 |
The student enrolment deadline was extended to September 16, 2026 on the current IAPT portal.
NSE Exam Eligibility Criteria 2027
Candidates interested in appearing for the NSE exam in their respective subjects can check the eligibility criteria, including educational qualifications and other requirements, here:
NSEP Eligibility Criteria 2027
Candidates giving the exam for the Physics subject can check out the eligibility criteria from here:
NSEP Eligibility Criteria | |
Specifications | Eligibility Criteria |
Exam Name | NSEP – National Standard Examination in Physics |
Who can apply | Students studying in Class 10, 11 or 12 |
Date of Birth | July 1, 2007 to June 30, 2012 (both days inclusive) |
Academic Eligibility | Must be studying in Class 10, 11 or 12 on November 30, 2026 |
Other Eligibility Conditions | Must be eligible to hold an Indian passport; must satisfy the prescribed residence/study conditions; must not have completed or be scheduled to complete Class 12 before November 30, 2026; must not have commenced university/equivalent studies before June 1, 2027; must not be appearing for NSEJS 2026 |
NSEC Eligibility Criteria 2027
Candidates giving the exam for the Chemistry subject can check out the eligibility criteria from here:
NSEC Eligibility Criteria | |
Specifications | Eligibility Criteria |
Exam Name | NSEC – National Standard Examination in Chemistry |
Who can apply | Students studying in Class 10, 11 or 12 |
Date of Birth | July 1, 2007 to June 30, 2012 (both days inclusive) |
Academic Eligibility | Must be studying in Class 10, 11 or 12 on November 30, 2026 |
Other Eligibility Conditions | Must be eligible to hold an Indian passport; must satisfy the prescribed residence/study conditions; must not have completed or be scheduled to complete Class 12 before November 30, 2026; must not have commenced university/equivalent studies before June 1, 2027; must not be appearing for NSEJS 2026. |
NSEB Eligibility Criteria 2027
Candidates giving the exam for the Biology subject can check out the eligibility criteria from here:
NSEB Eligibility Criteria | |
Specifications | Eligibility Criteria |
Exam Name | NSEB – National Standard Examination in Biology |
Who can apply | Students studying in Class 10, 11 or 12 |
Date of Birth | July 1, 2007 to June 30, 2012 (both days inclusive) |
Academic Eligibility | Must be studying in Class 10, 11 or 12 on November 30, 2026 |
Other Eligibility Conditions | Must be eligible to hold an Indian passport; must satisfy the prescribed residence/study conditions; must not have completed or be scheduled to complete Class 12 before November 30, 2026; must not have commenced university/equivalent studies before June 1, 2027; must not be appearing for NSEJS 2026. |
NSEA Eligibility Criteria 2027
Candidates giving the exam for the Astronomy subject can check out the eligibility criteria from here:
NSEA Eligibility Criteria | |
Specifications | Eligibility Criteria |
Exam Name | NSEA – National Standard Examination in Astronomy |
Who can apply | Students studying in Class 10, 11 or 12 |
Date of Birth | July 1, 2007 to June 30, 2012 (both days inclusive) |
Academic Eligibility | Must be studying in Class 10, 11 or 12 on November 30, 2026 |
Other Eligibility Conditions | Must be eligible to hold an Indian passport; must satisfy the prescribed residence/study conditions; must not have completed or be scheduled to complete Class 12 before November 30, 2026; must not have commenced university/equivalent studies before June 1, 2027; must not be appearing for NSEJS 2026 |
NSEJS Eligibility Criteria 2027
Candidates giving the exam for Junior Science can check out the eligibility criteria from here:
NSEA Eligibility Criteria | |
Specifications | Eligibility Criteria |
Exam Name | NSEJS – National Standard Examination in Junior Science |
Who can apply | Students studying in Class 8, 9 |
Date of Birth | January 1, 2012 to December 31, 2013 (both days inclusive) |
Academic Eligibility | Must be studying in Class 8, 9 or 10 on November 30, 2026 |
Other Eligibility Conditions | Must satisfy the eligibility conditions prescribed by IAPT; students enrolled for NSEJS cannot simultaneously enrol for NSEA, NSEP, NSEC or NSEB |
NSE 2026 Application Form
The National Standard Examinations (NSE) 2026 are conducted by the Indian Association of Physics Teachers (IAPT) as the first-stage examinations for the respective Science Olympiad programmes. The NSE examinations include NSEP (Physics), NSEC (Chemistry), NSEB (Biology), NSEA (Astronomy), and NSEJS (Junior Science).
The student enrolment window for NSE 2026 was scheduled from August 1 to September 16, 2026. Students could enrol through a registered examination centre or use the direct online enrolment facility provided by IAPT.
How to Fill the NSE 2026 Application Form
Candidates could complete the NSE 2026 enrolment process through the following steps:
Visit the official website of the Indian Association of Physics Teachers (IAPT). Official website link: https://iapt.manageexam.com/Student2026
At first, candidates will be required to create a registered account to fill in the NSE Registration Form. Candidates will be required to fill in the details for the form through the created registered account.
Select the relevant National Standard Examination from the available options.
Choose the respective examination/subject, such as NSEP, NSEC, NSEB, NSEA or NSEJS, according to the candidate's eligibility.
Enter the required personal, academic and contact details.
Select the preferred examination language, wherever applicable.
Choose the examination centre.
Pay the prescribed ₹300 examination fee.
Review all the details entered in the application form.
Submit the enrolment form.
Keep the confirmation/registration details safely for future reference.
Students could also enrol through an authorised NSE examination centre by contacting the centre in-charge and completing the registration process there.
Important Points Regarding NSE 2026 Registration
Candidates should apply only for the NSE subject for which they satisfy the prescribed eligibility conditions.
The NSEJS and senior NSE examinations have different eligibility requirements, so candidates should check the official IAPT guidelines before applying.
The examination fee is ₹300 per student per examination according to the 2026 information.
Candidates should verify their details carefully before submitting the form.
For the latest registration notices and official updates, candidates should refer to the IAPT official website.
Note: As of September 17, 2026, the official student enrolment deadline of September 14, 2026 has passed. The official 2026 schedule should be followed for any subsequent correction or examination-related updates.
NSE 2026 Application Fee
The examination fee is ₹300 per student per subject, including the applicable centre charge stated by IAPT.
For example:
Number of Subjects | Fee |
1 subject | ₹300 |
2 subjects | ₹600 |
3 subjects | ₹900 |
4 subjects | ₹1,200 |
The actual amount payable should always be checked on the official IAPT enrolment portal before payment.
Is the NSE Application Fee Refundable?
According to the current IAPT enrolment portal, the examination fee is non-refundable, and cancellation or chargeback is not permitted after submission. Excess or duplicate payments are treated separately according to the portal's refund provisions.
NSE Exam Pattern 2026
Before appearing for the examination, it is important for the candidates to know the exam pattern of the subject they are appearing for to understand the type of questions asked during the exam, the medium of the question paper and the marking scheme of the question paper.
Check out the subject-wise NSE 2026 Exam Pattern from here:
NSE Exam Pattern 2026
Exam | Subject | Part A | Part B | Total Questions | Total Marks | Duration |
NSEP 2026 | Physics | 48 questions; one correct option; +3 marks for correct, −1 mark for incorrect | 12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked | 60 | 216 | 2 hours |
NSEC 2026 | Chemistry | 48 questions; one correct option; +3 marks for correct, −1 mark for incorrect | 12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked | 60 | 216 | |
NSEB 2026 | Biology | 48 questions; one correct option; +3 marks for correct, −1 mark for incorrect | 12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked | 60 | 216 | |
NSEA 2026 | Astronomy | 48 questions; one correct option; +3 marks for correct, −1 mark for incorrect | 12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked | 60 | 216 | |
NSEJS 2026 | Junior Science | 48 questions; one correct option; +3 marks for correct, −1 mark for incorrect | 12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked | 60 | 216 |
NSE 2026 Marking Scheme
Candidates can check out the marking scheme of each subject and their sections from here:
Part | No. of Questions | Question Type | Marks per Question | Negative Marking | Maximum Marks |
Part A | 48 | One correct option | +3 | −1 | 144 |
Part B | 12 | One or more correct options | +6 | No negative marking | 72 |
Total | 60 | — | — | — | 216 |
Note: In Part B: To get credit, all the correct option(s) and no incorrect options should be marked.
NSE Syllabus 2026
The syllabi for the National Standard Examination (NSE) and the Indian National Olympiad (INO) in Physics, Chemistry, and Biology (NSEP and INPhO, NSEC and INChO, NSEB and INBO, respectively) are broadly equivalent to the senior secondary level (up to and including Class 12 of the Central Board of Secondary Education (CBSE)) in respective subjects; knowledge of Mathematics up to the same level is expected as well.
While preparing for the NSE examination, it is crucial for the candidates to prepare from the prescribed syllabus by the exam officials. Check out the subject-wise syllabus details from here:
Subject Name | Syllabus |
Biology | Diversity of Living Organisms: The Living World, Biological Classification, Plant Kingdom, Animal Kingdom. Structural Organisation in Animals and Plants: Morphology and anatomy of Flowering Plants, Structural Organisation in Animals Cell: Structure and Function; Cell- The Unit of Life: Cell theory and cell as the basic unit of life, Biomolecules, Cell Cycle and Cell Division. Plant Physiology: Transport in Plants, Mineral Nutrition, Photosynthesis and Respiration in Higher Plants, Plant Growth and Development Human Physiology: Digestion and Absorption, Breathing and Exchange of Gases, Body Fluids and Circulation, Excretory Products and Their Elimination, Locomotion and Movement, Neural Control and Coordination, Chemical Coordination and Integration. Reproduction: Reproduction in Organisms, Sexual Reproduction in Flowering Plants, Human Reproduction, Reproductive Health. Genetics and Evolution: Heredity and Variation, Molecular Basis of Inheritance, Evolution. Biology and Human Welfare: Human Health and Diseases, Strategies for Enhancement in Food Production, Microbes in Human Welfare. Biotechnology – Principles, processes and applications. Ecology and Environment: Organisms and Populations, Ecosystems, Biodiversity and its Conservation, Environmental Issues.
|
Chemistry | Some Basic Concepts of Chemistry Structure of Atom Classification of Elements and Periodicity in Properties Chemical Bonding and Molecular structure States of Matter: Gases and Liquids States of Matter: Solid State Chemical Thermodynamics Equilibrium Solutions Electrochemistry Chemical Kinetics Surface Chemistry s-Block Elements (Alkali and Alkaline Earth Metals) p -Block Elements ‘d’ and ‘f’ Block Elements General Principles and Processes of Isolation of Elements Coordination Compounds Organic Chemistry - Some Basic Principles and Techniques Hydrocarbons Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Organic compounds containing Nitrogen Biomolecules Polymers Environmental Chemistry Chemistry in Everyday Life In addition to the following, a general understanding of Science topics studied till Class 10 and Mathematics topics studied till Class 12 is expected. |
Physics | Units and Measurements Motion in a Straight Line Motion in a Plane Laws of Motion Work, Energy and Power System of Particles and Rotational Motion Gravitation Mechanical Properties of Solids Mechanical Properties of Fluids Thermal Properties of Matter Thermodynamics Behaviour of Perfect Gases and Kinetic Theory of Gases Oscillations and Waves Electrostatics: Electric Charges and Fields, Electrostatic Potential and Capacitance, Current Electricity. Magnetic Effects of Current and Magnetism: Moving Charges and Magnetism, Magnetism and Matter, Electromagnetic Induction, Alternating Current, Electromagnetic Waves. Optics: Ray Optics and Optical Instruments, Wave Optics. Dual Nature of Radiation and Matter Atoms and Nuclei Electronic Devices In addition to the following, general understanding of Science topics studied till Class 10 and Mathematics topics studied till Class 12 is expected. |
Astronomy | Astronomy syllabus comprises the following three parts: 1. Physics 2. Mathematics 3. Elementary Astronomical notions. In addition, a general understanding of Science and Mathematics topics studied till Class 10 is expected. Physics: Refer to the Physics syllabus given above. Mathematics: Equivalent to CBSE Class 12 Mathematics syllabus: Sets And Functions Algebra Coordinate Geometry Calculus Mathematical Reasoning Statistics & Probability Vectors And Three-dimensional Geometry Linear Programming Elementary Astronomical notions: Basic knowledge of the Solar System and associated phenomena: Sun, Planets and their moons, Comets, Asteroids, Diurnal motion of Earth, Phases of the Moon, Seasons, Eclipses, Tides. Familiarity with structural elements of the Universe: Stars, Galaxies, Clusters of galaxies. Familiarity with the night sky: brightest stars, Common constellations, the Milky Way, paths of solar system objects in the night sky, and the rising and setting of stars. Working principle of Telescopes. Major historical landmarks in the development of Astronomy. Any in-depth knowledge of astronomy is not required. However, basic familiarity with astronomical terminology, objects and phenomena, as can be acquired through an interest in astronomy (reading popular books / listening to popular lectures etc.), is expected. |
NSE Syllabus PDF 2026
Candidates can check out the detailed NSEP, NSEB, NSEB, NSEA, NSEJS Syllabus pdfs from here:
Subjects | Syllabus PDFs |
|---|---|
Biology | Download Now |
Chemistry | Download Now |
Physics | Download Now |
Astronomy | Download Now |
NSE 2026 Selection Process
The NSE is the first stage rather than the final examination in the senior Science Olympiad pathway.
The broad progression is:
NSE → Indian National Olympiad (INO) → Orientation-cum-Selection Camp (OCSC) → International Olympiad Training → International Olympiad
HBCSE describes the Science Olympiad programme as a five-stage selection process.
Stage 1: National Standard Examination
Students first appear for the relevant NSE examination:
NSEP
NSEC
NSEB
NSEA
NSEJS follows a separate Junior Science pathway.
Stage 2: Indian National Olympiad
Eligible students selected from Stage I progress to the Indian National Olympiad (INO) examination.
For the 2026–27 senior Science Olympiad programme, HBCSE lists the INO examinations for January 30 and 31, 2027. The selection list is scheduled to be published by January 15, 2027, according to the HBCSE programme page.
Stage 3: Orientation-cum-Selection Camp
Students who progress through the second stage may be invited to the Orientation-cum-Selection Camp (OCSC).
The camps include theoretical and experimental/observational components depending on the subject.
Stage 4: Training
Selected students undergo further training before representing India at the respective International Olympiad.
Stage 5: International Olympiad
The final stage is participation in the International Olympiad by students selected to represent India.
HBCSE states that the programme culminates in participation in the International Olympiads after the preceding selection and training stages.
NSE vs INO: What is the Difference?
Feature | NSE | INO |
Stage | Stage I | Stage II |
Purpose | Initial national screening | Further selection |
Conducting responsibility | IAPT | HBCSE from Stage II |
Level | Broadly school syllabus | Same broad syllabus but deeper assessment |
Eligibility | Candidates satisfying NSE rules | Students selected/eligible after NSE |
Format | Objective questions | Objective and longer-answer components |
Role | Entry point to senior Olympiad pathway | Second stage of selection |
The HBCSE framework identifies approximately 400 students in each subject as progressing to the INO stage, subject to the applicable selection rules.
How to Prepare for NSE 2026?
NSE preparation is different from conventional school examination preparation.
The official HBCSE description states that Olympiad examinations assess conceptual understanding, logical reasoning, laboratory skills and the ability to apply problem-solving skills to novel situations.
Understand the Official NSE Syllabus: Start with the official syllabus rather than a coaching institute's chapter list.
Divide the syllabus into:
Strong topics
Average topics
Weak topics
Give priority to concepts that require problem-solving rather than memorisation.
Strengthen School-Level Fundamentals: The NSE syllabus is broadly based on the relevant CBSE level, but the questions can demand a deeper level of understanding than routine board questions. Therefore, students should first make their fundamentals strong.
Solve Previous-Year Papers: Previous-year papers should form a major part of preparation.
After every paper, record:
Questions answered correctly
Questions answered incorrectly
Questions left unanswered
Time spent
Conceptual mistakes
Calculation mistakes
Reading mistakes
Practise Part A Separately: Part A has negative marking.
A student should develop the ability to distinguish between:
Questions they can solve confidently
Questions requiring additional calculation
Questions where two options can be eliminated
Questions where guessing is unlikely to be useful
Take Full-Length Mock Tests: Once the syllabus is sufficiently covered, attempt full-length papers in the actual two-hour format.
After the test, spend more time analysing the paper than simply checking the score.
NSE vs JEE/NEET Preparation
NSE is different from JEE and NEET even when there is syllabus overlap.
Feature | NSE | JEE/NEET |
Primary Purpose | Science Olympiad selection | Admission to higher education programmes |
Question Approach | Conceptual and Olympiad-oriented | Entrance-examination oriented |
Application | Novel problem situations | Competitive entrance problems |
Subjects | Subject-specific NSE examinations | Engineering/medical entrance combinations |
Next Stage | National Olympiad pathway | College admission process |
Preparation | Deep conceptual understanding | Concept + entrance-specific practice |
Students preparing for JEE or NEET may find some syllabus overlap useful, but NSE preparation should include dedicated Olympiad-style problem-solving.
