You should go for CSE at VIT Vellore without a doubt. VIT excels at every parameter. Professors at VIT often carry out research projects and are accompanied by students. This proves to be a great learning experience and also a great CV point in case you go for higher studies. On top of that, you could also get a chance to publish a research paper on the same project in some international journal.
VIT also boasts of a SAP(Semester Abroad Program) in which you get to spend last semester of your college at a foreign university.
When it comes to placements, the industry connect of the university helps a lot. Big names like Microsoft, Amazon, PayPal, Flipkart, Cisco, Myntra, Deloitte, Schlumberger, LinkedIn, DE Shaw, McKinsey, Dell, PayU, Fidelity Investments etc have been hiring students in good numbers for over 5 years now. Placement would not be an issue at VIT .
Apart from the points mentioned above, VIT has an amazing campus spread over 400 acres. There are plethora of activities which you can undertake as per your interest.