For Organic Chemistry, I followed the topic wise approach...i.e. to prepare each and every topic of the syllabus from all the books and note down all the relevant examples in one place...esp for Reagents, Name reactions, Reaction mechanisms, Pericyclic Chemistry,Polymers, Aromaticity etc...
The common books that I consulted for different topics were:
1. Organic Chemistry: Jonathan Clayden, Nick Greeves, Stuart Warren, and Peter Wothers ( Oxford University Press)..Its solution manual is also available in the market and it is very essential to refer the manual once u start solving the end of the chapter problems…Here is the link for downloading this solution manual from Internet : http://rapidshare.com/files/272066088/Organic_Chemistry_Clayden_Solutions_Manual.rar
9.Organic Chemistry : I.L.Finar, ELBS (Vol. 2 edition)