Hello Aspirant

For 100 marks in JEE Advance the rank will be 4000-6000. For those in the range of 4000-6000 rank, there are chances of getting a good IIT and branch. As you belongs to Economically Weaker Section still a few uncertainties can put you in dilemma when you try different permutation and combination for your final decision. Try to score more marks in JEE Advance to get an IIT.

All The Best.