Architecture

You should go for architecture, B.Arch has a lot of scope.India is short of 10 lakh architects as on date for infrastructure development. An architect has a lot of career opportunities such as:
1. Entrepreneurs
2. Architects (Junior/ Senior)
3. Furniture design
4. Photography
5. Construction and Community based volunteering
6. Infrastructure development
7. Graphic design
8. Set Design
9. Jewelry design
10. Advance research in Architecture
11. Faculty School of Architecture
12. History, Restoration and Preservation
13. Interior design
14. Product design
15. Landscape Design
16. Project/ Construction Management

NATA score is the most important, second importance is given to class 12th results.

According to me, there is no management quota, since is a government run college.

Yes, you can pursue D.Arch.

Both the institutes have their own positives, here is a link for all approved architecture colleges across India:–
https://www.coa.gov.in/index1.php?lang=1&level=0&linkid=25&lid=26

You can try RV School of Architecture and BGS School of Architecture and Planning in Bangalore, here is a link for all approved architecture colleges across India –
https://www.coa.gov.in/index1.php?lang=1&level=0&linkid=25&lid=26

In which state are you looking for a seat? 80 marks out of 200 makes you qualified to opt for architecture.

It's a good university, it has its own positives and here is a link for all the approved architecture colleges across India –
https://www.coa.gov.in/index1.php?lang=1&level=0&linkid=25&lid=26

The best colleges for architecture in Bangalore are:
1. RV School of Architecture,
2. BMS College of Architecture and
3. BGS School of Architecture and Planning.

Yes, you are eligible for architecture course.
Have you appeared for NATA exam? If not, you can still appear for it.