Two official programmes. HBCSE runs the national science and mathematics olympiad programme that leads to the international olympiads. SOF runs school olympiads with registration through schools.
Five-stage programme in Astronomy, Biology, Chemistry, Junior Science, Physics and Mathematics. Stage 1 is run by IAPT (and the Mathematical Association for mathematics); later stages by HBCSE, NCSM and NBHM as the page describes.
RUN BY Homi Bhabha Centre for Science Education, TIFR
Latest notice read: INMO 2026 results and OCSC list.
OFFICIAL SITE →Eight school olympiads. Registration is through schools.
RUN BY Science Olympiad Foundation
Latest notice read: registration open for session 2026-27.
OFFICIAL SITE →Not listed until their official page is confirmed: IOQM and other national maths stages (read from HBCSE page, dates not verified).