hi,

see to get admission in vellore institute of technology in post graduate courses you need to appear in entrance test conducts by vit, also after shortlisting through entrance test there is interview rounds, eligibility criteria is Candidates should have graduated with a full-time degree from any recognized University/Institute with a minimum aggregate of 60% or First class for MCA degree programme. for mca course admission there is no entrance test, so as per your score in bachelors  less chances for selection, but I suggest you to apply and lets see what comes so far.