Hello chetana
For Vellore campus you need the secure a good rank approximately under 7-8 thousand .
And for this you have to score 70+ marks .( It's just approximation ; exact ranking will depend upon the condition.)
You can see last year's cut offs for reference here :
https://engineering.careers360.com/articles/viteee-cutoff/amp
Good luck
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile