Hello aspirant, 

Previous year cut off marks is 256

Opening rank for cse is 335

Closing rank for cse is 268

For more detailed information about the cutoff score of iiit hyderabad use below link 

Link:https://www.google.com/amp/s/engineering.careers360.com/articles/iiit-hyderabad-btech-cutoff/amp

Hope above information is helpful to you 

Thank you