Colleges in Orissa

Chandigarh University is a better university to pursue B.Tech computer science engineering because it provides good quality of CSE faculty members, course curriculum, infrastructure, placements and computer labs as compared to other universities and has dominated in placements too.

OBC category reservation applies throughout India. So yes if you qualify the criteria your can get admission in Kochi.

There is no age limitation. You have to complete your graduation first.

Yes, you can get last 10 years question papers book, which has the question papers of last 10 years along with sample papers also which is syllabus wise.

You will get all information about Hindustan College of Engineering and Technology here:
https://www.shiksha.com/college/hindusthan-college-of-engineering-and-technology-Coimbatore-28619/reviews
Hope it helps you well.

For ranks related queries you can check out last year cutoff, further CSE is a branch of science that requires a high qualification so this rank may not be qualified for CSE branch , rest you can always check for last year's cutoff.

There are very low chances of your admission in these colleges because your rank is not good. Okay.