I would suggest you to follow below provided preparation tips -

Before starting your preparation, know the exam pattern & syllabus of VITEEE 2018.

Prepare a time table according to the subject & syllabus.

Solve unsolved sample paper, mock tests & previous year question paper.

Know your strong & weak points of the study.

Practice, Practice & Practice.

Stay fit & healthy, Eat Fresh fruits & vegetables. Avoid Junk foods.



Also, to know the detailed preparation tips you can go through the below link -

How to prepare for VIT 2018?


Hope this helps!!!