IIIT Hyderabad admission are done through channels like JEE Main 2018, Undergraduate Engineering Entrance Examination - UGEE– CSD/ ECD/ CND/ CLD/ NK/ NTSE or KVPY, Olympiad, Direct Admissions for Students Abroad (DASA) and Special Channel of Admission (SPEC).

For reference, you can go through the below link-

https://engineering.careers360.com/articles/iiit-hyderabad-btech-admission

Good Luck!!!