Indian National Olympiad 2025 Registration, Syllabus: The Indian National Olympiad (INO) is the second stage of Olympiad program in India. This program is organised every year to find most talented students in subjects like mathematics physics chemistry biology, Astronomy, Junior Science and computer science.
Every year thousands of talented student that of India participate in prestigious exam Indian National Olympiad (INO). This exam is very famous and not just a regular School exam it is competition that can take you International platform like International Olympiads. So if your interested and a student who loves subject like Mathematics, Science, or Astronomy, then a read out this all article to get their information.
About Indian National Olympiad 2025 Registration
The Indian National Olympiad 2025 is a national level exam that helps to find smart and most talented students in India. It is very important step in the journey to represent India in the international olympiads. These are global competitors were students from different countries can solve Level questions in subject like Mathematics, Physics, Chemistry, Biology, Astronomy, and Informatics (Computer Science).
But these olympiad is not just about exam in mark it is about thinking creatively, solving problems. If you are one of those students who do not just study for exam but really enjoy learning and exploring new things.
Every student has a dream to do something big in their life to shine and make their parents and teacher proud. If you are a student who loves subjects Maths, Science, or Computer Programming, then the Indian National Olympiad (INO) is your chance to show your talent.
Overview:
| Feature | Details |
|---|---|
| Exam Name | Indian National Olympiad (INO) 2025 |
| Organized By | HBCSE (Homi Bhabha Centre for Science Education) |
| Exam Level | National (Stage 2 of 5-stage Olympiad process) |
| Eligibility | Indian students in Class 8–12 who qualify in NSE (Stage 1) |
| Subjects Offered | Mathematics, Physics, Chemistry, Biology, Astronomy, Junior Science, Informatics |
| Exam Format | Written exam with descriptive (long-answer) questions |
| Exam Duration | 2 to 3 hours |
| Medium of Exam | English |
| Syllabus | Based on CBSE/ICSE/State Boards (Class 9 to 12 depending on subject) |
| Stage 1 Required | Yes – Must qualify National Standard Examination (NSE) |
| Next Stage | Orientation-cum-Selection Camp (OCSC) |
| Final Goal | Represent India in International Olympiads |
| Expected Exam Date | January–February 2025 |
| Official Website | www.hbcse.tifr.res.in/olympiads |
Indian National Olympiad (INO)
The Olympiad journey begins with National standard examination and notes to Indian national Olympiad. If you do well INO then you can go to training camp’s and then the final international level. There are many INO bina later go to top institute like IITs, IISc, MIT, and Harvard, and build amazing careers in science, research, and technology.
This blog written in a such a way that you will understand everything about Indian National Olympiad 2025 from subjects and eligibility to exam patterns, syllabus, and preparation tips.
Top Indian organizations to support Olympiads:
- Homi Bhabha Centre for Science Education (HBCSE)
- Indian Association of Physics Teachers (IAPT)
- National Board for Higher Mathematics (NBHM)
- Department of Atomic Energy (DAE)
Stages of the Olympiad Program
Stage 1:
- National Standard Examination (NSE)
Stage 2:
- Indian National Olympiad (INO)
Stage 3:
- Orientation-cum-Selection Camp (OCSC)
Stage 4:
- Pre-departure Training Camp
Stage 5:
- International Olympiad
Eligibility for Indian National Olympiad 2025
There are some eligibility requirements such as:
- Applicant must be Indian citizen.
- Candidate studying in class 8th to 12th.
- Applicant born on or after 1st July 2005.
- Qualify for the first stage (NSE) with a high enough score.
Indian National Olympiad 2025 Syllabus
From the below table take a look on complete subject wise exam and its syllabus.
| Subject | INO Exam Name | Syllabus (Based On) |
|---|---|---|
| Mathematics | INMO | Class 11 & 12 Maths (CBSE/ICSE) + Problem-solving, Number Theory, Geometry, Algebra |
| Physics | INPhO | Class 11 & 12 Physics + Concepts like Mechanics, Thermodynamics, Optics, Electrodynamics |
| Chemistry | INChO | Class 11 & 12 Chemistry + Physical, Organic & Inorganic Chemistry |
| Biology | INBO | Class 11 & 12 Biology + Cell Biology, Genetics, Ecology, Physiology |
| Astronomy | INAO | Class 11 & 12 Physics + Basic Astronomy concepts, Coordinate Systems, Telescopes |
| Junior Science | INJSO | Class 9 & 10 Science (Physics, Chemistry, Biology combined) |
| Informatics (Computer Science) | INOI | Programming (C++/Python), Data Structures, Logic Building, Algorithms Basics |
Subject and Syllabus:
| Subject | INO Exam Name | Syllabus Level |
|---|---|---|
| Physics | INPhO | Up to Class 12 |
| Chemistry | INChO | Up to Class 12 |
| Biology | INBO | Up to Class 12 |
| Astronomy | INAO | Physics + Astronomy |
| Mathematics | INMO | Advanced Class 11-12 |
| Junior Science | INJSO | Class 9-10 Science |
| Informatics | INOI | Programming + Logic |
Exam Pattern
Each subject exam pattern is different, here are some ideas:
- Duration: 2 to 3 hours
- Type: Descriptive (long-answer) questions
- Medium: English
- Total Marks: Varies by subject (usually around 100)
Important Dates for INO 2025 (Tentative)
| Event | Date (Expected) |
|---|---|
| NSE Result Declaration | January 2025 |
| INO Exam Dates | February 2025 |
| INO Results | March 2025 |
| OCSC Selection List | April 2025 |
| OCSC Camp | May–June 2025 |
Benefits of Participating in INO
There are some benefits are listed below:
- Opportunity to represent India at international level.
- Learn advanced concept before college.
- Wind medals and certificate.
- Get scholarship and recognition.
- Stand out in college admissions (IITs, IISc and abroad)
Indian National Olympiad 2025 Registration step by step
There are some simple steps that you need to complete such as:
- You cannot recti register for IMO you must register for the first stage which is national standard examination (NSE).
- In the next step you need to choose your subjects.
You can choose from:
- Physics (NSEP → INPhO)
- Chemistry (NSEC → INChO)
- Biology (NSEB → INBO)
- Astronomy (NSEA → INAO)
- Mathematics (PRMO → INMO)
- Junior Science (NSEJS → INJSO)
- Informatics (ZIO → INOI)
In the second step you need to register for NSE.
- Complete your registration.
- Provide all the required details.
- Choose a center near your home or school.
- Pay for the registration fees.
- Download the admit card
Useful Links
- IAPT (Science Olympiads): http://www.iapt.org.in
- HBCSE (Main Olympiad Site): https://olympiads.hbcse.tifr.res.in
- MTA (Maths): https://www.mtai.org.in
- IARCS (Informatics): https://www.iarcs.org.in/inoi
