I am getting 181 marks in iit jee adv and belongs to OBC. What rank can i expect. pl suggest good branches in iits for girls.

Hi Bindu,
The following link will help you get your most probable rank in JEE advanced,
http://www.askiitians.com/iit-jee/advanced/rank-predictor.html
All the branches are good but the maximum placements are in CS and ECE branches. Applied Mathematics is a great branch and has a good scope. All depends on your interest.
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

Your Obc category rank will be under 400, i think for a girls CS, electrical and mathematics are good branches , generally mechanical like branch are not so good for girls.