VITEEE 2015 is compulsory for engineering aspirants who seek admission in VIT. However there is no procedure to get direct admission in second year. All the students selected through VIT Engineering Entrance Exam will be admitted to First Year through Centralized Counselling procedure.
Also to apply for VITEEE 2015 you should be fulfill the eligibility criteria: http://admission.aglasem.com/viteee-eligibility-2015/
There many be some other way for Lateral Entry Admission in VIT University. At this moment I am not able to get any authentic information, I will update here if I got something important.