85 could fetch you a rank around 153450-172500.and a category rank more than 7k.now these are based on previous year analysis .As of now its tough to say because the analysis and also cutoffs change every year due to many factors like total students appearing for exam,difficulty level of paper etc..now considering that you have few chances to fetch seat in mnit bhopal for:

chemical engineering

electrical engineering

materials and metallurgical engineering

for more information to get a personalised report on what all choices you have for your rank refer to: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

hope this helps,

thankyou.