INJSONational → InternationalScience
Indian National Junior Science Olympiad (INJSO)
Organised by IAPT / HBCSE TIFROfficial Website ↗
Second stage of IJSO selection. Physics Chemistry Biology combined for Class 10. Top performers represent India at IJSO.
Eligibility
NSEJS qualifiers only
Fee
Nil
Reg. Opens
Auto–Auto
Exam Date
Jan/Feb 2027
Level
National → International
Pathway Stage
National Entry
About this olympiad
Second stage of IJSO selection. Physics Chemistry Biology combined for Class 10. Top performers represent India at IJSO.
The pathway
Stage 2 of 5 (NSEJS
INJSO
OCSC
PDC
IJSO)
How registration works
1
Automatic from NSEJS
2
Conducted by IAPT at designated centres.
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 INJSO 2026 registration opens.
Quick Facts
TypeJunior Science Olympiad
International?Yes
Govt Recognized?Yes
Online Exam?No
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