IChOInternationalScience
International Chemistry Olympiad — World
Organised by IChO / HBCSE India teamOfficial Website ↗
World championship in Chemistry. Theoretical (5 hours) and practical (5 hours) components. India has won multiple medals. Pathway: NSEC → INChO → OCSC → PDC → IChO.
Eligibility
Top 4 from OCSC Chemistry — represent India
Fee
Nil
Reg. Opens
N/A–N/A
Exam Date
Jul 2026
Level
International
Pathway Stage
National Entry
About this olympiad
World championship in Chemistry. Theoretical (5 hours) and practical (5 hours) components. India has won multiple medals. Pathway: NSEC → INChO → OCSC → PDC → IChO.
The pathway
Stage 5 of 5
How registration works
1
National selection through NSEC → INChO → OCSC
2
No direct registration.
How to prepare
Understand the syllabus
Focus on the core concepts of the Science curriculum with a higher weightage on analytical problems.
Solve past papers
Practice with previous years' question papers to understand the exam pattern and marking scheme.
Notify Me
Get notified when IChO 2026 registration opens.
Quick Facts
TypeChemistry Olympiad
International?Yes
Govt Recognized?Yes
Online Exam?No
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