Expected opening and closing rank is nearly 18000-25000 for b.tech chemical engineering and if you are from home state then cutoff can be near 30000 so you can refer more from below article given below and use jee main predictor
https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-andhra-pradesh
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
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