Colleges in Uttar Pradesh

They follow the AKTU rule, As your rank will announced. You can feel your college preferences online. And, if your rank falls in the criteria of galgotia college. You can take admission there by clicking your choice of the college. And, the other way is to get direct admission through management quota, but that will costly.

Yes, Asian School of Business offers BBA course.

You need to have completed graduation to be eligible for this course.
Medical graduates/postgraduates, Dentistry, Pharmacy, Life Sciences, Arts, Commerce, Economics, Engineering etc are eligible for the course. Interested candidate can apply directly to the college. Regards.

There is no specialization needed in any MBA entrance exam. Just prepare in general for the exam.

Chandigarh University is better in all the ways. In terms of placements, almost all the big IT giants comes to the campus for placements. Last year, the highest package was also from CSE branch, INR 31.77 lacs per annum by amazon. The fee is affordable, INR 79,500 per semester for general BE CSE and INR 94,500 per semester for BE CSE IBM CLOUD COMPUTING. The faculty is well qualified. Also, the university has company sponsored labs from IBM, Microsoft, oracle, cisco and many more.

With this percentage, you certainly are eligible to take CAT for getting into IIMs.
By the end, result also depends on your CAT scores and your interview.
You can't expect to get a call from IIM, as such without getting a good percentile in CAT.