Hi , 

If you want to score good marks in NEET UG , then start your preperations as soon as possible. To score more marks, you need to have strong basics. your basics in Physics , Chemistry and Biology must be thorough. NCERT is considered as bible for NEET UG. Be pakka with concepts from NCERT book, You can clear NEET with top Rank.

Even for physics , the numerical based questions in NCERT Text book helps you solve the problems in NEET. Apart from NCERT , best book to refer is Concept of Physics by H.C.Verma and Objective Physics by D.C. Pandey. 

Chemistry - NCERT is the main book for chemistry, apart from NCERT, Physical Chemistry by O.P.Tandon and ABC Of Chemistry for Classes 11 and 12 by Modern is more than enough for Qualifying In NEET.

For BIOLOGY, NCERT forms the Base to understand concepts and get your basics strong. Apart from this, other books must be referred , like Biology Vol 1 and Vol 2 by trueman , Objective Biology By Dinesh. This must help you to solve more questions in Biology based onyour understanding. 

NCERT Forms the base to get top ranks in NEET as well as solving previous year question papers and model question papers , makes you more confident. 

Good LUck. Hope it was of help. :)

Hey.

Here is a list of the best sources of books and publishers that you can use for preparing for NEET for each subject. You can use any of these along with NCERTs to prepare as per your requirements. 

BIOLOGY-

NCERT Biology Class XI and Class XII textbooks

 Biology Vol 1 and Vol 2 by Trueman

 Objective Biology by Dinesh  

Objective Botany by Ansari  

Pradeep Guide on Biology  

GR Bathla publications for Biology  

CHEMISTRY-

NCERT Chemistry textbooks for Class XI and XII  

Physical Chemistry by OP Tandon  

ABC of Chemistry for Classes 11 and 12 by Modern

 Concise Inorganic Chemistry by JD Lee

 Dinesh Chemistry Guide  

Practise books by VK Jaiswal (Inorganic), MS Chauhan (Organic) and N Awasthi (Physical)

PHYSICS- 

 NCERT Physics Class XI & Class XII  

Concepts of Physics by H. C. Verma

 Objective Physics By DC Pandey

 Fundamentals of Physics by Halliday, Resnick and Walker

 Fundamental Physics by Pradeep

 Problems in General Physics by IE Irodov