The Indian National Olympiad (INO) exams are the second stage of the selection process for international Olympiads in various subjects, including Astronomy, Biology, Chemistry, Physics, and Junior Science. These exams are conducted by the Homi Bhabha Centre for Science Education (HBCSE) and serve as a gateway for students aspiring to represent India at international Olympiads. In this article, we will focus on the INO exam dates for 2025, along with eligibility criteria, registration process, syllabus, and preparation tips.
INO Exam Dates 2025
The INO exams are scheduled to take place from 1st February 2025. Below is the schedule for the different subject Olympiads:
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Second Stage Examination
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Date & Time of Examination | Venues | Language | Syllabus |
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Indian National Astronomy Olympiad (INAO)
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Saturday, February 1, 09:00 to 12:00 | Ahmedabad, Bengaluru, Bhopal, Bhubaneswar, Chandigarh, Chennai, Delhi, Guwahati, Hyderabad, Jaipur, Kochi, Kolkata, Kota, Lucknow, Mumbai, Nagpur, Patna, Ranchi | English & Hindi |
Broadly equivalent to NSEA
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Indian National Chemistry Olympiad (INCHO)
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Saturday, February 1, 13:30 to 16:30 | Same as above | English & Hindi |
Broadly equivalent to NSEC
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Indian National Physics Olympiad (INPHO)
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Saturday, February 2, 09:00 to 12:00 | Same as above | English & Hindi |
Broadly equivalent to NSEP
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Indian National Biology Olympiad (INBO)
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Saturday, February 2, 13:30 to 16:30 | Same as above | English & Hindi |
Broadly equivalent to NSEB
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Indian National Junior Science Olympiad (INJSO)
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Saturday, February 1, 13:30 to 16:30 | Same as above | English & Hindi |
Broadly equivalent to NSEJS
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The official notification for the INO Exam Dates 2025 has been released by HBCSE. Students are advised to check the HBCSE official website regularly for updates.
Direct Link to Download INO Exam Date 2025 (Official)
Important Deadlines for INO 2025
- Admit Card Release: Last week of January 2025
- INO Exam Dates: 1st & 2nd February 2025
- INO Results Declaration: March 2025
INO Exam Centers 2025
INO exams are conducted at around 18 centers across India. Some major exam centers include:
- Ahmedabad
- Bengaluru
- Bhopal
- Bhubaneswar
- Chandigarh
- Chennai
- Delhi
- Guwahati
- Hyderabad
- Jaipur
- Kochi
- Kolkata
- Kota
- Lucknow
- Mumbai
- Nagpur
- Patna
- Ranchi
INO Admit Card 2025
The INO Admit Card 2025 is an essential document required for appearing in the exam. Students must download it from the HBCSE website once the registration process is complete.
Steps to Download INO Admit Card:
- Visit the HBCSE official website.
- Login using your registered credentials.
- Click on ‘Download Admit Card‘.
- Print a copy and carry it on the exam day.
Preparation Tips for INO 2025
- Focus on NSE-Level Syllabus: Ensure a thorough understanding of all concepts.
- Solve Previous Year Papers: Practicing past INO papers helps in understanding the exam pattern.
- Time Management: Allocate time for each subject and work on weak areas.
- Use Standard Books: Refer to recommended textbooks for Olympiad preparation.
- Join Coaching or Online Classes: Consider professional guidance to enhance preparation.
The INO Exam Dates 2025 will play a crucial role in determining the preparation timeline for students. These exams serve as the stepping stone to International Olympiads and require dedicated effort. Ensure timely registration, thorough preparation, and regular updates from the HBCSE website to stay ahead.
INO Exam Date 2025 FAQs
1. When will the INO 2025 exams be conducted?
The official dates for INO 2025 has been announced and are going to take place from 1st February 2025. Stay updated by visiting the HBCSE official website for the latest notifications.
2. How can I check the INO 2025 exam schedule?
Once the exam dates are released, you can check the schedule on the HBCSE website (olympiads.hbcse.tifr.res.in) or the IAPT website (www.iapt.org.in). The schedule will include the exam dates, timings, and venues.
3. Where will the INO 2025 exams be conducted?
The INO exams are usually held at 18+ centers across India, including cities like Delhi, Mumbai, Kolkata, Chennai, Bengaluru, and Hyderabad. The exact list of venues for 2025 will be announced along with the official notification.
4. What is the eligibility to appear for INO 2025?
To be eligible for INO 2025, candidates must qualify through the National Standard Examination (NSE) in their respective subjects (NSEA for Astronomy, NSEC for Chemistry, NSEP for Physics, NSEB for Biology, and NSEJS for Junior Science).
5. How can I download the INO 2025 admit card?
After the list of selected candidates is published in January 2025, students must register on the HBCSE website to download their INO admit card. This step is mandatory, and failing to register may lead to disqualification.






