Hello student  25%reservation for female students means if there are 100 seats and 25 girls in the first 100 IIIT-H ranks, then the diversity channel will be filled up, opening up the regular seats to everyone. “In theory, it could lead to more than 25 per cent of total student intake being women It's difficult to predict that you'll get admission in CSE Branch or not but if seats left vacant you've a good Chance with this percentile. Cut off vary every year on various factors like level of question in examination seats available and total nunumber of applicants in the entrance examination.

For more details refer to the link mentioned below - https://www.google.com/amp/s/engineering.careers360.com/articles/iiit-hyderabad-btech-cutoff/amp

Feel free to comment if you've any doubt

Good luck