what kind of refrence book should i follow for preparation of neet?

You should complete first your NCERT book to clear your concepts and to build your fundamentals strong.

Best Biology Books for AIPMT/NEET Preparation:

NCERT Biology of Class XI and XII

Trueman's Biology Vol 1 and 2

Objective Biology by Dinesh

Pradeep Publication's Biology

GRB Bathla's Publication's for Biology

Best Physics Books for AIPMT/NEET Preparation:

Concepts of Physics by H. C. Verma

NCERT- Physics Part 1 and Part 2

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:

NCERT Chemistry

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

You can consider below names -
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.

BIOLOGY:-

NCERT Biology Class XI and XII books.
Trueman vol-I/II/
Trueman objective biology ( MCQ )
Biology by Truman Jesse Moon
ABC of BIOLOGY by Dr. B.B. Arora & A.K. Sabharwal
Botany by AC Dutta
Dinesh objective Biology

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


Hope this helps!!!