You have not clarify that which course seats you have seeking in CMC Vellore, Anyways Here I Mentioned MBBS Seat details as per their Brochure -
"No. of seats in open category - 16 ( 1 central pool scheme, Govt. of India& 3 sc/st)"
"No of seats in sponsored category - 84
Or you have seeking other admission course please Click Here and readout Information Bulletin for Group A and Group B Admissions.