VIT Vellore

The minimum eligibility for getting into BCA is 60% in 12th. You are not eligible to apply for BCA.

For details regarding the courses offered in VIT you can refer the link given below. In that link, courses offered in different campus are mentioned.
Link: http://www.vit.ac.in/admissions/ug.

Speaking about the admission procedure, there is no entrance exam. You just can enter with 12th marks where the minimum requirement differs each year.
If you are speaking about the subjects offered in B.Sc Multimedia and Animation, per semester there would be roughly around 6-7 subjects. There are two internal tests and one Final test.

In VIT placements for biotechnology are good and you can get placed easily if you're an average student too. But getting biotechnology group and sustaining in it is kind of difficult thing. I would suggest you to go with biomedical engineering which is easy to get and you have the same level of placement offers. One of my friend who is a current student in VIT is pursuing biomedical. He always had positive feedback reviews about the course.

No, SRM is not as expensive as Manipal and overall its better institute than Manipal University. Also, the placements in SRM are good.

Its depend on you that how much you know about your field as both VIT & SRM are good & have the best placements colleges in south.

Yes, you just need to talk to the authorities regarding the required process.

The total fee for first year for B.Tech CSE is about Rs 1,98,000/. The Hostel fee is about Rs 1,00,300/ for double bedded AC room and Rs 63,000/ for Non-AC double bedded. The Mess charges are Rs 53,300 (Veg), Rs 59,300 (Non veg) and Rs 67,900 for special.