Computer Science and Engineering

You cannot get admission in top government colleges as your rank is way too high. You can use the college predictor tool to know in which colleges you can get admission. https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor.

I don't know much about Sanjay Ghodawat University but MIT-Pune (now MITWPU) has a quite a reputation in Pune and 8s considered to be one of the top colleges in Pune. MIT-Pune has a well-experienced faculty with excellent laboratories. There are dozens of clubs and engineering teams which compete on

Yes,
You can get the admission in Techno India University as the eligibility criteria says that the student needs to have passed 12th class with an aggregate of minimum 60% marks.

If you want to know about my college then and you should be qualifying JEE Mains and should also be having a qualifying criterion of more than 80% in your class 12th then only you will be getting a computer science branch in my college.

Yes, in B.K. Birla you can get admission directly, by paying donation amount. Now a days, they call it development fees.

No difference at all. These are just different jargons for the same thing. BE is old term and B.Tech is new term for the same course. CSE and CE are also nearly same again with CSE may be having one or more different subject.

For which college you are asking for because every college is having its different selection and admission criteria.

Link is attached, so you can check the cut-off -:
https://www.shiksha.com/college/bansal-institute-of-science-and-technology-bhopal-59403/cutoff

It will be hard for your son to get admission in Dhirubhai Ambani Institute at this percentile.