Hello aspirant, according to JCECE final state merit list of 2020 your CML rank will be around 790. You have high probability of getting  lower branches like metallurgy or mining in Bit Sindri. Due to OBC category you can also get civil branch. Although your CML rank will completely depend on the percentile of other applicants but you still have a good chance.

You can also improve your score in upcoming JEE exam session 4.

For other information about the college visit  - BIT Sindri, Dhanbad: Admission 2021, Courses, Fee, Cutoff, Ranking, Placements & Scholarship (careers360.com)

BEST OF LUCK!!