Well I’m not writing any “Run away” answer, there are a few things you must do to make sure you get the best out of the college. Valid for all other universities as well.
Make a lot of friends. It is true that college friends are friends for life. They will be there with you when you get poor grades or are failing in a relationship. However you must also stay vigilant – it is said that your worth is an average of the 5 people you spend most time with. Having geeky friends would help you make a great career. Having cool party-goers would never let you stay sad. Of course you can have a mix of both.
Vellore is quite close to some cool happening places. Hike around to the Vellore fort. Go and spend an evening in the Zoo. Travels are more than sight seeing – they are more about strengthening your relations and friendship. Travelling teaches you far more than reading books in a room.
Stay active in events. No need to stress more on it.
And yes, you are going there to make a career. Do not miss this part. Make friends with a couple of seniors who are doing good in their courses and projects. This way you’ll know about challenges one year in advance. Take time to attend weekend meetups in Bangalore and Chennai. You will meet real experts who are building stuff. Also make sure you’re good in programming. Subscribe to IEEE and read their monthly subscriptions.
This is the start of ‘real life’. Make sure you have a great beginning.