Chandigarh

You can use this JEE Mains college predictor tool
to know about the available shortlisted colleges based on your marks.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

There are various colleges present in Punjab and Haryana. Thapar University is present in Patiala, can be the best college that you can study in.

I am not saying that CGC, Chandigarh is top of the world but its very unique in its own way. There are many advantages by which you can easily attracted towards it.
1. Beautiful white campus located Landran, Mohali near Chandigarh.
2. Campus life has a quality.
3. If you are events freak, then you must join CGC. It organise various events on a regular basis
and many more

Yes you can get admission in your target college as college just needed 50% + marks in class12th and you got this marks so you get admission.
Go for next process of admission in your target college.

Chances are very less for you to get admission in Punjab engineering college at this rank. You should try JAC Chandigarh counselling and wait till spot round keeping the hope high and expectations low.

Yes this college is good for MBA students. One of my friend who studies in this college told me that the placements are 100%. and last year, the highest package went near 20 lakhs.

In case you want to work in IT and ITES Industries based on your computing skills and degree, you may evaluate doing MBA IT. You may refer to the following link for a list of top MBA B-Schools in Chandigarh: https://googleweblight.com/i?u=https://www.shiksha.com/mba/ranking/top-mba-colleges-in-chandigarh-tricity/2-2-0-12292-0&grqid=ElRzwPAE&hl=en-IN