INMONational → InternationalMathematics
Indian National Mathematical Olympiad (INMO)
Organised by HBCSE / MTAOfficial Website ↗
National final of Mathematical Olympiad. Extremely challenging proof-based problems over 4 hours. Top 30–50 selected for IMOTC. Top 6 represent India at IMO.
Eligibility
Class 8–12 (RMO qualifiers only)
Fee
Nil
Reg. Opens
Auto–Auto
Exam Date
Jan 2027
Level
National → International
Pathway Stage
National Entry
About this olympiad
National final of Mathematical Olympiad. Extremely challenging proof-based problems over 4 hours. Top 30–50 selected for IMOTC. Top 6 represent India at IMO.
The pathway
Stage 3 of 5 (IOQM
RMO
INMO
IMOTC
IMO)
How registration works
1
Automatic selection from RMO
2
No separate registration.
How to prepare
Understand the syllabus
Focus on the core concepts of the Mathematics 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 INMO 2026 registration opens.
Quick Facts
TypeMathematics Olympiad
International?Yes
Govt Recognized?Yes
Online Exam?No
Related olympiads
IOQMNational
Indian Olympiad Qualifier in Mathematics (IOQM)
MTA / HBCSE / TIFR
Class 8–12, Indian students
Reg: Jun–Jul
₹200
Individual Reg.
RMORegional
Regional Mathematical Olympiad (RMO)
HBCSE / MTA
Class 8–12 (IOQM qualifiers only)
Reg: Auto–Auto
Free
IMO WorldInternational
International Mathematical Olympiad — World
IMO Board / Shanghai China 2026
Top 6 from IMOTC — represent India
Reg: N/A–N/A
Free