For NRTI 

Dear Sibu,NRTI offers up to 100 seats in both courses.It's a competitive exam so it doesn't matter whether the test is hard or easy, You have to be in the top 100 to be selected.You can get more information on NTRI at https://www.careers360.com/exams/nrti-admission-aptitude-testYou can get more information about the test on https://nrti.edu.in/aptitude-test/Hope this information helps you.

Thank you ma'am for your reply.