Electronics and Communication Engineering

I don't have any sort of idea regarding OBC rank. I am attaching the link which will help you very much.
https://wbjeeb.nic.in/wbjeebcouns/orcr/PrevYearORCR.aspx

We cannot compare those institutes because as we know the syllabus for ECE will be same. It depends upon which institute you can get also what quality of faculty is available there. Also, the thing that counts is your hard work and dedication towards that particular subject. If it there then doesn't matter what institute you are studying in.

JEE-Mains 2018 College Predictor:
Use your JEE-Mains 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges and rounds you may crack.
The result is based on admissions data of JEE-Mains 2017.
Get resources and insights on colleges and courses.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

COMEDK 2018 College Predictor:
Use your COMEDK 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges and rounds you may crack.
The result is based on admissions data of COMEDK 2017.
Get resources and insights on colleges and courses.
https://www.shiksha.com/b-tech/resources/comedk-college-predictor

WBJEE 2018 College Predictor:
Use your WBJEE 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges & rounds you may crack.
The result is based on admissions data of WBJEE 2017.
Get resources & insights on colleges & courses.
https://www.shiksha.com/b-tech/resources/wbjee-college-predictor

JEE Mains 2018 College Predictor. Use your JEE Mains 2018 rank to see where you can get admission at the link provided below. See the courses, colleges & rounds you may crack. The result is based on admissions data of JEE Mains 2017. Get resources & insights on colleges & courses:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Hi, ECE is a stream of subjects which opens variety of fields. If you want to know the best option as per the career opportunity and Industry growth, I would suggest you to take up Front End VLSI. The Industry has immense growth and full of opportunities.

https://www.shiksha.com/b-tech/resources/wbjee-college-predictor
Check the college you can get with your rank. All the best. Check your chances with this link.