Indian National Olympiad (INO) 2026Paper Solutions
The Indian National Olympiad (INO) serves as the second national stage of India's Science Olympiad programme.
Solutions Release
Feb 3, 2026
Final Results
Mar 6, 2026
Indian National Olympiad
Access the Narayana INO 2026 paper solutions
INPhO
Physics
INPhO 2026 Solutions by Narayana
5
Science Subjects
2-3
Weeks OCSC
35-50
Qualifiers/Subject
Indian National Olympiad (INO)
Paper Solutions
The Indian National Olympiad (INO) serves as the second national stage of India's Science Olympiad programme. It is conducted by HBCSE, TIFR for Astronomy (INAO), Biology (INBO), Chemistry (INChO), and Physics (INPhO), while the Indian National Junior science Olympiad (INJSO) is conducted by IAPT.
Indian National Olympiad
Download the Narayana INO 2026 paper solutions
Physics
INPhO 2026 Solutions by Narayana
Chemistry
INChO 2026 Solutions by Narayana
Biology
INBO 2026 Solutions by Narayana
Astronomy
INAO 2026 Solutions by Narayana
Junior Science
INJSO 2026 Solutions by Narayana
Official Source & Updates: https://olympiads.hbcse.tifr.res.in
INO 2026 - Official Post-Exam Key Dates
APhO Pathway from INPhO
Benefits of INO
Skill Development
Enhances analytical thinking, problem-solving, and scientific reasoning.
National Recognition
Top performers earn Certificates of Merit.
Progression Pathway
INO qualifiers advance to Orientation-cum-Selection Camps (OCSC).
International Opportunities
Chance to represent India at global platforms such as IOAA, IBO, IChO, IPhO and IJSO.
Advanced Training & Research
Access to intensive theory sessions, experimental training, observational learning & research opportunities.
Academic & Career Advantage
Provides a Strong edge for admission to top global universities and scholarships.
Performance Benchmarking
Measure skills against the national Olympiad standards.
National Recognition
National Recognition: Top performers earn Certificates of Merit.
Orientation cum Selection Camp (OCSC)
OCSC Overview
Residential Camp
2–3 weeks (April–May)
Subject Selection Rules
- Students qualifying in more than one subject attend only one subject OCSC/IMOTC based on the preference order submitted during INO registration.
- Vacancies are filled using the next preference order.
Tentative dates for OCSC
- Apr 13–24, 2026
- Apr 23–May 06, 2026
- May 11–22, 2026
- Apr 27–May 13, 2026
OCSC Intake & Team Sizes (Subject-wise)
OCSC Intake: ~40 students per subject
Group A (Class XII): 20 students
Group B (Class X / XI): 20 students
Junior Science
OCSC Intake: ~35 students
Final Team Selection
- Final international teams are selected based on combined OCSC merit.
- No group-wise (A/B) preference is given during final selection.
International Team Size
Awards & Recognition
• High achievers earn Certificates of Merit
• OCSC participants receive books, cash prizes, and special awards
• International team members compete at IOAA, IBO, IChO, IPhO & IJSO
International Olympiad Pathway
NSE -> INO -> OCSC -> PDC -> International Olympiads
National Standard Examination
First qualifying stage in the Olympiad pathway
Indian National Olympiad
Second national stage for Science Olympiad selections
Orientation-Cum-Selection Camp
Residential camp for training and selection
Pre-Departure Camp
Final preparation for international Olympiads
International Olympiads
Represent India on the global stage
Official Source & Updates
Official Source & Updates: https://olympiads.hbcse.tifr.res.in