The attendance policy at IIIT Hyderabad is pretty strict indeed. The institute has a 100% attendance policy in all courses. Whether this includes lab sessions and tutorials is decided by the concerned faculty. The minimum attendance required is >= 85%. The penalties for breaking the attendance rules are as follows.
It’s important to note that IIIT Hyderabad being a private institute has strict attendance rules not just for the sake of it. The matter is taken seriously and proxy attendance for friends is impossible here. Students get a grade drop even if they skip
You can also opt for the RSAO or the Responsible Student Attendance Option. Through this you are free from attendance compulsion provided that you get a grade above ‘B’.