Answer: The Chemistry Olympiad usually consists of the following stages-
Stage I: NSEC- National Standard Examination in Chemistry,
Stage II: INChO - Indian National Chemistry Olympiad,
Stage III: OSC - Orientation cum Selection Camp in the subject of chemistry,
Stage IV: PDT - Pre-departure Training Camp for IChO
Stage V: IChO - Participation in International Chemistry Olympiad.
Except for the first stage, all the other stages are planned and organized by HBCSE. The first stage is the responsibility of the Indian Association of Physics Teachers- IAPT. Stage 1 is entirely the responsibility of IAPT. All the remaining stages are organized by HBCSE.