Is that a candidate can write both phases in VIT exam??
Yeah surely you can appear in both the faces of the exam earlier the exam of that is announced that candidates appearing for the upcoming VITEEE exam 2021 can appear for both phases of the mock test. So if you feel you want to appear in the second phase you can attempt it without any problem.
https://www.google.com/amp/s/news.careers360.com/vit-conduct-viteee-2021-mock-test-in-two-phases-check-details-here/amp