Hiiii..
First of all congratulations for your hard work.
170 is an amazing score, you may have got around 5k rank. Chances of getting a nit with good branch is quite high.
Check the predictor :
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Also.
Here is the top nits cutoff :
https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits/amp

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