Dear student,

First of all congratulations on securing 6600 CRL rank in JEE advanced 2020.
Your rank is very good and you can definitely get some of the good iits.

Now, as per seeing last year cutoff closing ranks for general category students in different iits,here are some of the good iits that you can easily get on the basis of your general category rank :-

• Iit dhanbad
  
• Iit dharwad
  
• Iit jammu
  
• Iit goa
  
• Iit bhilai
  
• Iit tirupati
  
• Iit ropar
  
• Iit patna
  
• Iit kharagpur
  
• Iit jodhpur
  
• Iit gandhinagar
  
• Iit bhubhaneshvar
  
• Iit roorkee

Also you can get other iits too like IIT BHU where you can get dual degree courses with this much good rank.

And also you can check out our JEE advanced college predictor tool to get an appropriate idea of the it that you can get on basis of your jee advanced rank :-
https://engineering.careers360.com/jee-advanced-college-predictor?icn=QnA&ici=qna_answer