Which one is better for B.Tech CS: RV College, VIT Vellore or DAIICT?

Yes, generally government colleges like Anna University are known for freedom. There is no strict dress code (within reason) and students manage their own festivals. You are treated like an adult.

However, private or deemed universities like VIT Vellore are famous for its strict reputation and academ

VIT scholarships are offered in form of tuition fee waiver as per ranks. The scholarship is offered to top 500 rankers of VIT entrance exam. Students can check scholarship slab system below -

• 1 to 10 rank - 100% tuition fee waiver

• 11 to 50 - 75% tuition fee waiver

• 51 to 100 - 50% tuition fee waiver

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Advance fee in VIT is partial amount that must be paid after seat allotment to book allocated seat. It can vary for different categories. Once candidate makes payment, he/she is not allowed to attend further rounds of counselling. 

No, there is no option of rechecking or revaluation once VITMEE results are out.