The opening and closing ranks for Computer Science and Engineering in Indian Institute of Technology Hyderabad is very less and it is getting more competitive over the years. If we look at the cut-off ranks for CSE in IIT Hyderabad for the year 2021, then they are as follows:

Opening Rank: 191
Closing Rank: 521

So to be on a safe side, you'll have to get a rank below 600 for sure.

You can also use our college predictor to see your chances in all the colleges:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope I have answered your question. All the best!