Architecture

At the outset, congratulations for your good percentile in JEE Mains paper 2. you can get seat in any of the architecture college in India. If you are aiming to top institutes then it is not a piece of cake.
All the best.
Feel free to clarify any query.

For architecture course in BVB Hubali either you need to have qualified JEE Mains paper 2 conducted by NTA else you need to qualify NATA examination. KCET is not required.
All the best. Feel free to clarify any query.

Yes, you may get admission in the above college with the above score.

Candidates need to secure a minimum of 50% aggregate marks in Physics, Chemistry and Mathematics to get eligible for NATA. So, with the above marks, you are not eligible.

No, you have to pass 10+2 with the min. marks I.e. 50% as an aggregate to get eligible for the respective entrance exams for admission in the college for architecture.

AAT (Architecture Aptitude Test) is an entrance exam for admission to the B.Arch programme offered by IIT Kharagpur and IIT Roorkee. For more information, please refer https://www.shiksha.com/college/indian-institute-of-technology-kanpur/aat-exam.

Yes, the admission process will start once all of the exams are over.

Yes, you can easily get admission in this college with this score. But, you should try for the other good colleges like other private colleges as your score is quite good.

Eligibility criteria for admission in B.Arch:
Minimum 50% required in class 12th with Mathematics as a mandatory subject.
Admission is based on the marks obtained in 10+2 and NATA score.

You have to apply for each state for the admission in to B.Arch. They will give a state rank with your NATA score and 12th marks. You should be able to get into most of the good colleges in all the states except 34 colleges. You can get good colleges in Karnataka, Telangana and Andhra Pradesh. Check