Dear Aspirant, to be eligible for the counseling process for IIIT Hyderabad you need to separately fill up the form for that. According to previous years'  trends and cutoff, you need at least 256(2018 cutoff), 278(2017 cutoff) marks so that you can get shortlisted for the college. According to predictor available, at this marks the percentile cutoff might be around 99.5-99.8. For more details, you can check here:- https://engineering.careers360.com/articles/iiit-hyderabad-btech-cutoff