Hello aspirant, congratulations on performing well in JEE ADVANCE 2019. You can calculate your rank by filling out the information in the link given below,
https://engineering.careers360.com/articles/jee-advanced-rank-predictor
Thereafter, you can use this link to check the cut off of various IITs all around India.
https://engineering.careers360.com/articles/iits-cutoff-for-top-btech-branches
I hope this helps you with your query.
Good luck!
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