Don’t even think about this much and right away it is for IIIT Hyderabad, it will never disappoint you in CS. In fact, If CS is your only preference then the only options better than IIIT Hyderabad are the 5 old IITs.
Here is why I recommend you to go for IIIT Hyderabad
So, IIIT Hyderabad is the best option for you unless you are not interested in coding.