Computer Science and Engineering

You have not shared your subjects. If you have physics, chemistry, maths and computer science subjects, then you are not required to study any thing else now to become as software engineer after 10+2 stage. If you do not have CS as a subject then you may learn any one computer language such as C+.

Faculty- Some teachers are really good and helping while others are just to spend their time. The classes are regular and you will learn a lot from it. Few teachers go out of their way and help students.
Infrastructure- Well maintained labs are worth mentioning here. You get nice PC's in the lab and

Hello Pratab,
Check here for more insights.
https://www.resonance.ac.in/reso/news/JEE-Main-Branch-Predictor.aspx

Both are different things you cannot compare with each other. It will depend on you which one you do best but my opinion is that there are no comparison for an IAS officer. It will huge success if you got.

Thousands of Opportunities are available. You have all the options that a Typical B.Tech graduate have and you also have many other opportunities. Everything depends on what do you have to offer to the companies? There are many different Job Profiles available. Mobile Apps Development, Web Developme

What about Chitkara University and Chandigarh University?

I think it is possible, because you have a good set of Eligibility and impressive Criteria.

You may get it in your home state NIT or in lower NITs.You may try IIIT as well.