which are the easy chapters for viteee which I should complete first

Yes some of the easy and basically chapters that you need to complete for VITEEE exam are -

Physics - Laws of motion, force, properties of matter, current electricity, modern physics

Chemistry - Alkanes, alkenes, alkynes, basic principles and techniques in organic chemistry, states of matter, thermodynamics, nature of organic compounds

Maths - matrices, differentiation, integration, probability

English - grammar, reading comprehension

From this year 10 questions from aptitude will also be included in the paper.

Best wishes. Thank you.