Engineering

You'll not get a good deal, if you are not a reservation category student. If you are not, try private university and autonomous institutions through any quota. If you are in reservation, you are likely to get chemical in one of the top 10 NIT's. College Predictor:
https://www.shiksha.com/b-tech/reso

Sorry, you can't get Government College. Even there are very less chances of getting top private colleges.

You can check the same from Shiksha's college predictor. https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993.

Yes, absolutely you can get. For that you have to score very good rank in WBJEE exam below 50-60.

No, it is not necessary. You can prepare for JEE without joining any college. It's all your choice.

If you want to pursue B.Tech, you should try national engineering entrance exam (JEE main, advance) or state universities exams (like UPSEE). Apart from this, you can also try to get admission in some private colleges like SRM, AMITY, and VITEEE etc. All the Best.

Well, Jadavpur University is the best college under WBJEE. Not only that, it is no. 9 engineering college in India according to MHRD Ranking. After Jadavpur University, the best government engineering college is Kalyani Government Engineering College. It’s CSE and Mechanical department is superb. It

Hi, every option is good, if you have a keen interest in that branch. I would like to tell you that aerospace / aeronautical branch requires interest in math and physics. If you are good in math and physics, then go for it. It is not an easy branch. Highly specialized branch. So, think twice before

Well, you can get a NIT college, but any NIT, any branch depends on various factor like:- (I) Your caste :- yes, Getting a good NIT in 170 marks is highly depends on your caste whether you are SC ST OBC or General category. SC and ST students can easily get a good NIT and may be Top NIT. OBC student