There are number of books available in the market for Organic chemistry but the best out of the alot is by OPTandon. The book has following advantages:

• the book has alignemnet with latest paper pattern for JEE Advanced 2017
• Questions are modelled according to previous year papers so students get a good coverage and feel of the exam pattern
• Contains comprehensive list of questions with lucid explanations which makes it very easier to digest
• Has no irrelevant topics and is strictly for UG students and has good visualization effects to give better overview.
• Incase you need more practice to advanced numericals with easy solutions you can take up book by P.Bahadur.

All the best...!!

You can consider below names -

O.P. Tandon

Paula Bruice Yurkanis

Morrison Organic Chemistry

Arihant Organic Chemistry

Organic Chemistry by Solomons

Apart from this, you can check the weightage of Chemistry as well -

General Organic Chemistry 9% Alcohol Phenol Ether 7% Redox reactions 6% Chemical Bonding 5% Coordination Compound 5% P-Block Elements 5% S-Block Elements 5% Aldehyde Ketone 5% Solutions 5% Solid State 5% Chemical Thermodynamics 5% Ionic Equilibrium 3% Chemical Equilibrium 3% Surface Chemistry 3% Atomic Structure 2% Gaseous State 2% Transition Elements 2% Polymers 2% Nuclear Chemistry 2% Chemical Kinetics 2% Mole Concepts 2% Amines and Diazonium Salts 2% Biomolecules 2% Alkanes, Alkenes and Alkynes 2% Electrochemistry 2%

Hope this helps!!!

Firstly I would suggest you to go through well with NCERT books after that you prefer other books. You can prefer below given books.

M.S Chauhan - Concept Of Organic Chemistry

O.P Tandon- Organic chemistry

Organic Chemistry- P.Bahadur

Good Luck!