Computer Science and Engineering

CSE VS ECE? Both are good. CSE is having good placement than ECE of course. And moreover easy curriculum than ECE. But if you want job in PSU or even if you love electronics, go for ECE. It's also a very good field. You will have two options software companies and Core companies. You can go both way

The use is that you can do M.Tech from IITs, NITs and government engineering colleges. You can also get into PSUs directly.

KNIT provides a large number of placements for CSE department as compared to BIET, Jhansi. Companies like TCS and GL are the mass recruiters.

It depends on the NIT or IIIT cut-off ranks for CSE branch. If you are qualified with big margins between your score to cut-off marks then there are high chances of getting the colleges. I am attaching a link in which you can predict the college that you will be getting on the basis of your rank:
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Yes, you are eligble.

If you completed your 12th this year, then you can apply for fall 2019 and spring 2020 intake before Oct-Nov or Dec-Jan deadline.

Hi, Find below the link to Shiksha's the finest college predictor which will help you know various colleges and streams that you may have a chance to fit in:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993
Wishing you all