CBSE 12th

Top BBA colleges in India are mainly affiliated to the following universities: University of Delhi, Guru Gobind Singh Indraprastha University-Delhi, University of Mumbai, Symbiosis International University-Pune, NMIMS University,-Mumbai, Bharati Vidyapeeth Deemed University-Pune, and Christ University, Bangalore.
All the best.

Yes, you have slim chances of getting into Chandigarh College of Architecture based on your NATA and JEE Mains paper 2 score.
You cleared NATA with a good score of 119, as 90+ score in NATA is consider for admission in B.Arch.
Also, you have benefits of OBC quota.
So, there are chances to get into Chandigarh College of Architecture.

Hello Bhargav,
It is good that you had secured 87% in the intermediate examination but mention what do you want to do next. Right now it is difficult for anyone to answer due to insufficient information.

Hello Sachin,
It's very nice to know about your dream of becoming a pilot. But you must work towards achieving this dream. Firstly you must have PCM in 12th. Don't worry about money. Banks can give you a loan. Approx you will need to spend about Rs. 40L.

Hello Lucky,
You can not get admission only on marks of 12th. You have to appear for entrance exam prescribed by your state govt. In your case JEE Mains. But why this obsession with engineering? Please think of commerce or humanities.

Hello Anand,
You have to appear for COMEDK for admission in this college, average placement is good.
https://www.shiksha.com/b-tech/course/b-e-in-computer-science-and-engineering-r-v-college-of-engineering-rashtreeya-sikshana-samithi-trust-mysore-road-bangalore-2404
Check out the above link to know the details. Hope this helps! All the best!

Hello Paramjeet,
Improvement exam has been designed or provided to enable a student who has passed already to seek improvement in his marks. Normally a student has to apply almost immediately after the declaration of results. Please approach your school immediately after the declaration of results.

Yes, you can appear for improvement exams. All you have to do is check with the board and fill the forms.

You may get some tier three collegeI would suggest you to take a drop year and appear again for the exam. As you have SC quota you could get good colleges if you score above 150 in JEE Mains.
All the best.

There isn't any relation among 12th marks and B.Com subject as you should also know it, then why are you thinking of so? If you have more marks in 12th you may repeat just like class improvement. Go through the subjects and your interest.