hello aspirant

Candidate should have passed the 12th standard from a recognized board with a certain percentage depending upon the university . Candidates applying for IIIT's need to qualify the Joint Entrance Examination (JEE mains). JEE Mains is one of the most popular engineering entrance exams, conducted by NTA.

And as it for IIIT Alahabad, You need to get minimum 75 % in 12th or need to be top 20 percentile to get admission in IIIT ALLAHABAD along with it based upon the score and rank in the JEE Main exam, shortlisted candidates are called for counseling.

further, to know more about the IIIT allahabad, you can follow the below mentioned link to know more : https://www.careers360.com/university/indian-institute-of-information-technology-allahabad

i hope that this will help.