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The Gold Standard:
HBCSE Olympiads

The official and only pathway to represent India at the International Olympiads. Organised by HBCSE, IAPT, and HBCSE-authorised bodies.

The 5-Stage Journey

1

NSE

National Standard Exams (NSEP, NSEC, NSEB, NSEA, NSEJS)

2

INOs

Indian National Olympiads (INPhO, INChO, etc.)

3

OCSC

Orientation-cum-Selection Camp at HBCSE Mumbai

4

PDT

Pre-departure Training Camp

5

International

Represent India at IMO, IPhO, IChO, etc.

HBCSE / IAPT Programs

Currently 17 programs listed under the official pathway.

IOAAInternational

International Olympiad on Astronomy and Astrophysics (IOAA)

IOAA / HBCSE India team

Top 4 from OCSC Astronomy — represent India
Reg: N/A–N/A
Free
IPhOInternational

International Physics Olympiad — World

IPhO / HBCSE India team

Top 5 from OCSC Physics — represent India
Reg: N/A–N/A
Free
IChOInternational

International Chemistry Olympiad — World

IChO / HBCSE India team

Top 4 from OCSC Chemistry — represent India
Reg: N/A–N/A
Free
IBOInternational

International Biology Olympiad — World

IBO / HBCSE India team

Top 4 from OCSC Biology — represent India
Reg: N/A–N/A
Free
IJSOInternational

International Junior Science Olympiad — World

IJSO / HBCSE India team

Top 6 from OCSC Junior Science — represent India
Reg: N/A–N/A
Free
IOQMNational

Indian Olympiad Qualifier in Mathematics (IOQM)

MTA / HBCSE / TIFR

Class 8–12, Indian students
Reg: Jun–Jul
₹200
Individual Reg.
INMONational

Indian National Mathematical Olympiad (INMO)

HBCSE / MTA

Class 8–12 (RMO qualifiers only)
Reg: Auto–Auto
Free
NSEPNational

National Standard Examination in Physics (NSEP)

IAPT / HBCSE TIFR

Class 11–12
Reg: Aug–Sep
₹200
Individual Reg.
INChONational

Indian National Chemistry Olympiad (INChO)

HBCSE TIFR

NSEC qualifiers only
Reg: Auto–Auto
Free
INJSONational

Indian National Junior Science Olympiad (INJSO)

IAPT / HBCSE TIFR

NSEJS qualifiers only
Reg: Auto–Auto
Free
INAONational

Indian National Astronomy Olympiad (INAO)

HBCSE TIFR

NSEA qualifiers only
Reg: Auto–Auto
Free
INPhONational

Indian National Physics Olympiad (INPhO)

HBCSE TIFR

NSEP qualifiers only
Reg: Auto–Auto
Free
NSECNational

National Standard Examination in Chemistry (NSEC)

IAPT / HBCSE TIFR

Class 11–12
Reg: Aug–Sep
₹200
NSEBNational

National Standard Examination in Biology (NSEB)

IAPT / HBCSE TIFR

Class 11–12
Reg: Aug–Sep
₹200
NSEANational

National Standard Examination in Astronomy (NSEA)

IAPT / HBCSE TIFR

Class 10–12 (DOB Jul 1 2006 – Jun 30 2011)
Reg: Aug–Sep
₹200
NSEJSNational

National Standard Examination in Junior Science (NSEJS)

IAPT / HBCSE TIFR

Class 8–10 (below 15 years on Dec 31 2026)
Reg: Aug–Sep
₹200
RMORegional

Regional Mathematical Olympiad (RMO)

HBCSE / MTA

Class 8–12 (IOQM qualifiers only)
Reg: Auto–Auto
Free

Important for Students

Stage 1 (NSE) is generally held in November. Registration typically happens through your school or designated centres in August-September. Ensure you do not miss the window for the official national standard examinations.

Official HBCSE Site ↗

Nov

NSE Exams

Jan

INOs Results

Apr

OCSC Camp

Jul

International

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