Colleges in West Bengal

Hey bro,
Check this link out to get an overview of college you can get through your JEE mains Ranking:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=6540165

Yes, you are eligible.
http://clc.du.ac.in/Notice/Revised & Corrected Bulletin of Information, 2018-19; 19.04.2018.pdf

Hello Rakesh,Invariably when there is demand someone makes these available. I am sure if you google you will find different agencies offering these services. In addition coaching institutes that offer to coach for entrance exam will surely have this. Be that as it may, I am attaching a link of Jadav

It would be better, if you have marks above 60% marks. So, that you will not be facing any problem during campus placement.

Yes, you can apply in any stream. If you had Maths/Computer, then you can apply for BCA.

Dear student, you can visit our website www.iihmca.org and download the application form and mail the filled in application form to iihmca@gmail.com

The admission letter will be mailed to you by mid week of May.