[1] Indian citizens who are in classes 10th, 11th, 12th at the time of examination are eligible to write the exam.
(as of 2023) The basic objective of conducting this test is not focusing on merit but to involve as many students from the country to participate in the exam and try to show and expose their talent.
This proportion is decided on the basis of the number of candidates who appeared for NSE in the previous year from that center in each State or Union Territory (UT).
The total number to be selected from centers in each State for each subject will be displayed on the IAPT and HBCSE website.
Application for this examination is typically handled through the school/college to which the student is affiliated[1][6] Held in first week of February, this is a subjective exam lasting for 3 hours.
From their performance in the tests, a team of five students is selected to represent India in IOAA.