Hello aspirant. Firstly, Vellore Institute of technology has an entrance exam. So there by, i would provide here the marks and rank in which candidates who score in that range of that marks here

Marks                                      Rank

118 and above                        250-1

113-117                                   500-250

90-113                                     2500-501

81-90                                        5000-2501

72-81                                      5001-6500

60-72                                    6501-8500

43-60                                     8501-11000

31-43                                    15001-20000

<31                                     20,000

Based on the ranks, students are called for councelling