Hello student cut off vary every year on various factors like level of question in examination seats available and total nunumber of applicants in the entrance examination.

With 82.5 percentile your rank must be around 1,35,000 and with this rank its difficult to get admission in NIT's/IIIT in BC Category as we all know that seats are very limited and admission is directly based on merit rank.

You can also use careers360 college predictor to predict college.

Refer to the link mentioned below -

Feel free to comment if you've any doubt

Good luck