Six-Stage Process
The Olympiad programme in India follows five stages, beginning from the school level and leading to the International Olympiads held worldwide.
Stage I
National Standard Examination (NSE)
Students from Classes 1–12 can participate. This stage tests scientific aptitude, logical reasoning, and conceptual understanding. Top performers qualify for the next stage.
Stage II
National Science Olympiad (NSO)
Qualified students from NSE appear for NSO. Conducted as per ISRC norms, it assesses analytical, conceptual, and experimental skills in science.
Stage III
National Eligibility Selection Olympiad (NESO)
Top 10 students from NSO qualify for NESO, focusing on creative problem-solving, research aptitude, and innovative thinking under ISRC guidelines.
Stage VI
International Olympiad (IO)
The top Indian team represents the nation globally, competing in diverse subjects, showcasing India’s scientific excellence and innovation.
Stage V
Pre-Departure Camp (PDC)
Finalists undergo intense preparation before representing India internationally. Students receive theoretical and experimental training sessions.
Stage IV
Orientation-cum-Selection Camp Olympiad (OCSCO)
Selected students attend the camp under mentorship from top educators and scientists, receiving advanced subject training and preparation.