Bangalore

Hello Akash, a composite score of 600 or above in the Management Aptitude Test MAT conducted by AIMA in either September/December. Composite score of 450 or above in GMAT 2018 or 2019. Score of or 300 or above in GRE 2018 or 2019, 70 percentile or above in the Common Management Admission or CAT.
For more queries here it is a link:-
https://christuniversity.in/m/management-studies/bachelor-of-business-administration-(bba)/1079.
Feel free for any of your doubts.
All the best.

Please click the link below
https://www.shiksha.com/b-tech/colleges/b-tech-in-aerospace-engineering-colleges-Bangalore.

I would suggest you to practice at least 3 previous years question papers if available else appear for more and more mock tests. As much as you practice, you will get hang of finishing the exam in time and also boost your confidence. You can also try exam preparation booklets which are easily in the market.

You can find few, and one of the best competitive among them is Amrita engineering college for pursuing civil engineering in Bangalore. You can take a look at college through its website link from here https://www.shiksha.com/college/amrita-school-of-engineering-bengaluru-sarjapur-road-bangalore-35737?q=Amrita+School+of+Engineering+Bengaluru&rf=searchwidget&landing=ilp.

You can contact Bangalore University, because some university can migrate their student from one user to another university, and so it is not possible to say yes.

First and foremost, keep yourself up to date with current affairs. Also, you can opt to read introduction to communication by CS Raydu. There are other sections of language proficiency and mental aptitude in test. So, prepare for that too.

Art course is available in every school in Bangalore after class 10th.

INR. 1 Lacs per year or for the entire course? Check out the colleges for the range of INR. 3 Lacs to INR. 5 Lacs for the entire course:
https://www.shiksha.com/design/interior-design/colleges/b-sc-colleges-Bangalore?ts=87060593&rf=filters&ct[]=278&bc[]=26&fe[]=f4 (Copy paste the entire link on the browser).