Chennai

SSN College 30% of its seats will be under Management quota. SSN won’t take donations for this seats. Instead they admit students based on merit. The procedure for getting seat through management quota is as follows:
*Buy application from SSN Trust office in Mylapore, Chennai.
*Fill the form and send

Amity University is slightly better than IIKM.

NIBM-Chennai is a fake institute selling cheap and fake MBA program. It is not allowed to offer any courses in distance or full time mode.

Vellore campus is very expensive.
Every one want admission in Vellore campus.
Vellore is first choice of students.
But, in second campus you didn't get luxury facility like Vellore .
So, students are not interested in second campus.
But, in education level both are good.
But, facility is weak point.

Yes, it has got good reputation in graduation with good infrastructure. You can prefer Guru Nanak for your BBA. But, you can go for MBA for bright future.

Right now,
You are not late.
You can join easily.
If you think about lateral entry, then they charged more donation.

Eligibility requirements for part-time MBA programs are quite similar to the requirements seen in full time MBA programs. Just that these programs are designed for working professionals with at least two years of work experience.
Candidates will need a Bachelor's degree or equivalent in any disciplin

To be frank, there is no chance. If you applied for any other college, you can try but you can't get VIT. After the results page in your profile, if you get a counselling date, then you just attend it. If you can get through the management quota, go for it.
Best of luck.