The lowest cut-off for the Scheduled cast category in the home state quota is 1718 rank in the ST group, and this cut-off is for the Bio Engineering branch. If you score this rank in the ST category, then feel almost sure to get admission into NIT Warangal the next year or this year.

You can also use our college predictor to see your chances in all the colleges:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope I have answered your question. All the best!