VIT Vellore

You need to fill online application for VITEEE which will be released in the month of January every year and write exams in the month of April. VIT is a separate Institute and is not affiliated to any other universities. It's ranked No.1 private institute in 2019 for 4th time. If you perform really well, you can get scholarship based on your rank in VITEEE.

It's not based on 12th marks. It's totally based on entrance exams. If you want to get free seat in VIT, you need to be a district topper which makes you a start student getting 100% fee wavier.

If you score more than 85%, there are 80% chance that you might get admission in the course.
I left the 20% because there might be some chances that the seats might get filled soon depending on how many apply for that course.

VIT is crowded. But the education is really great. This year, it has ranked No. 1 private institute in India for 4th time.

Yes, there are chances that you might get a seat there. Just fill in the application form and attend the counselling.

The only and most dreadful disadvantage of joining the Chennai campus rather than the Vellore is the environment, the people you find in Vellore is far more interesting in their respective field than the Chennai campus.

The fees is around INR 25k. You will have to pay mess fees which depends on what type of mess you choose. Special mess costs INR 60k and North Indian veg mess cost INR 20k.

If I am correct, you are asking about Vishwakarma Institute. I am attaching last year's cutoff of JEE Mains:
http://ieplads.com/mailers/2017/shiksha/pdf-25june/f-y-btech-cut-off-2016-17.pdf
For more information, you can visit this link:
https://www.shiksha.com/college/vishwakarma-institute-of-technology-bibwewadi-pune-23093/admission#admission.

The details haven't been released yet. I request you to please send patiently and be supportive.

No. VIT doesn't offer this course and the exams are not conducted for this course. I request you to go through VIT's official website and check the course details there.