Dear Harikesh,

In order to take admission in IIT Hyderabad you have to appear for JEE Advanced exam. You have to qualify for JEE Main exam first in order to eligible for JEE Advanced. 

To be eligible you should have 75% marks in your board exam or you should be in top 20 percentile. For SC/ST it is 65% marks. 

To check the cut off you can refer below link

https://engineering.careers360.com/articles/jee-advanced-cutoff-for-iit-hyderabad

Good luck!!