 Earlier, the syllabus matched that of IPhO, but now, it is broadly equivalent to the syllabus of NSEP.It was changed for the convenience of students studying for the IIT JEE and the physics olympiad, at the same time.The selected team of 8 students, for APhO, must attend a 5 day long training camp prior to APhO, where topics such as relativity and thermodynamics, absent/not stressed upon in most Indian schools, are covered.