Stage I: National Standard Examination in Physics (NSEP) – The full title of NSEP is National Standard Examination in Physics.
Stage 2: INPhO (Indian National Physics Olympiad) – The full name of INPhO is Indian National Physics Olympiad.
Stage 3: Orientation cum Selection Camp (OCSC) – In Physics, the full term of OCSC is Orientation cum Selection Camp.
Stage 4: PDT stands for Pre-departure Training Camp for IPhO in its complete form.
Stage5: IPhO (International Physics Olympiad) – IPhO stands for Participation in International Physics Olympiad.