Ans: The INPhO Exam is used to choose candidates for OCSC (Orientation Cum Selection Camp) and to represent India in the Asian Physics Olympiad in the discipline of Physics (APhO). There are a total of five stages in the INPhO exam NSEP, INPhO, OSCE, PDC and APhO. APhO is the last stage of the. Many students get their grades by combining 40% of their NSEP score (as a percentage of the maximum marks achievable in the exam (typically 240)) with 60% of their INPhO score (as a percentage of the maximum marks attainable in the test (usually 240)). As a result, there is now a list of the top 50 students and the top eight students who are willing to take the test. The APhO test has been chosen. It should be emphasised, however, that just 5 people died in 2017 and 2018 students had signed up for APhO.