Hello aspirant, 

Top iiits  in india

• IIIT Chennai 
• IIIT Prayagraj
• IIIT gwalior
• IIIT hyderabad 
• IIIT Gandhinagar 
• IIIT Jabalpur 

Are  top for computer  science  

Here is the link for more information 

Link:https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits/amp

Rank predictor link:https://engineering.careers360.com/jee-main-rank-predictor

Hope above information is helpful to you 

Thank you