Hello pradhyuman

i think you should check out cutoff of all IIT's with different branches so that will give you an idea if you can get IIT or not I will provide some links in which you can check which IIT's  are according to your rank and which branch will they give you check them out you will also find cutoff of all branches of all IIT's from several years so that will give you an idea

https://engineering.careers360.com/jee-advanced-college-predictor

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

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

Hope this helps you