Every College Is Having Different Different Criteria And Its Entrance Exam If Candidate Want To Do Bachelors In Science From Delhi University Then His 10+2 Marks Plays Vital Role Cut Off of Delhi University Varies Every Year, Whereas Birla Institute Is And Westford Instititute Is Having Their Own Entrance Exams Which Consists Of 3 Stages Screening, Aptitude Test And Last But Not The Least Personal Interview Same Goes With Very Famous Private Institute Of India Which Is VIT (Vellore Institute Of Technology)