I got IIT OBC rank 2737 . what is the best option for me.

Congratulations, you may choose Electrical or Mechanical branch as the future prospects of both the branches are quite good, or else you may go for Chemical engineering as well. And finally yiou may think over this issue deeply and find out what type of opportunities are there and what interests you the most, accordingly you may pick a branch. If you are unable to get the desired branch that you long for, then there is no need to feel bad or dejected as there are so many other reputed institutions wher the students are provided with quality education followed by best ever placements, these institutions are – Visvesvarya National Institute of Technology, Nagpur,....................Lovely Professional University, Phagwara,....................Maulana Azad National Institute of Technology, Nagpur,..........................Birla Institute of Technology, Mesra