Karnataka

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
This is the college predictor link I am sharing here. To know about the colleges you can get, go to the link.
Good luck.

Hi,
It's a NAAC B Grade college. Please join a NAAC A Grade college.

Hello Varun,
Placements cell of Acharya is working quite nicely and the results are for anybody to see. However, aeronautical engineering branch is a bother. But India is progressing well and it is hoped that four years down the line things would improve tremendously. Present packages are upwards of Rs. 6 LPA.

https://www.shiksha.com/engineering/colleges/robotics-engineering-colleges-Bangalore
Go to the link. Here, you will get the list of colleges in Bangalore, which provide AI and Robotics. Good luck.

It looks difficult, since CMR SOA GM quota ends at 300-400 ranking.

Yes, you may try, but seems a little difficult.
Visit this link to check B.Arch colleges based upon your rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6919840
Then visit this link for various colleges which provides you brochure:
https://www.shiksha.com/architecture-planning/colleges/b-arch-colleges-india

Christ University, CMR Institute, IIPR are some of the colleges that I can quickly think of.

Christ, IHM, PES, MS Ramaiah, ARMY Institute, Presidency that I can think of.

Travel and tourism is a trending field. Christ college and garden city college offer courses in this area.
I strongly recommend you to take up internships along with college study which could totally assist in better opportumities thereafter. Have alumni talk too for better visibility.