You can get into VIT Vellore through the entrance exam conducted by the university named VITEEE. The basic eligibility criteria is that a general category candidate should have secured 60% and above in Maths/Biology, Chemistry and Physics in 10+2 or equivalent examination. It is mandatory to secure a minimum score of 60% in all of the subjects.
You can check the detailed criteria from the link below-
http://engineering.careers360.com/articles/viteee-eligibility-criteria
If you fulfill all the criteria, you can appear for the examination.