Here are some of the books you can prefer for NEET Preparation 2018.

Physics:

PHYSICS:-

• NCERT Physics Class XI and XII books.
• Feynman Lectures in Physics by Richard P. Feynman.
• Physics by DC Pandey
• Fundamentals of Physics by Halliday,Resnick & Walker
• Concepts of Physics by H. C. Verma.
• Problem in General Physics by I.E. Indrov (Problems Solving )

Chemistry:

CHEMISTRY:-

• NCERT Chemistry Class XI and XII books.
• Inorganic Chemistry by J.D. Lee
• Physical Chemistry by Peter Atkins and Julio de Paula
• Physical Chemistry by P.Bahadur
• Organic Chemistry by Morrison Boyd
• Organic Chemistry by O.P.Tandon
• Arihant Organic Chemistry
• Inorganic Chemistry by O.P.Tandon

First, you should complete NCERT  books to clear your concepts and to build strong fundamentals. Syllabus is based on NCERT books only. 

After, NCERT you can recommended below books for your preparation

Best Physics Books for AIPMT/NEET Preparation:

Concepts of Physics by H. C. Verma

D C Pandey Objective Physics

Fundamentals of Physics by Halliday, Resnick and Walker

Problems in General Physics by I. E. Irodov

Best Chemistry Books for AIPMT/NEET Preparation:

Physical Chemistry by O.P. Tandon

Organic Chemistry by Morrison and Boyd for Organic Chemistry

Modern’s ABC of Chemistry for class 11th and 12th

Concise Inorganic Chemistry by J. D. Lee for Inorganic Chemistry

Dinesh Chemistry