Which book is better to grasp concepts easily uptp jee advanced level in organic chemistry - Morrison & Boyd or Peter Sykes or Solomons or LG Wade? Everyone has different opinion. Pleade I want best answers without any confusion from iitians...

dear soumya 
for organic , u can refer to pearson publication book . 
they are awesome at clearing the concepts . 
only ncert + pearson publication book , will clear your jee advanced , donot worry and confused with many books . 
and keep practicing the prev year ques also 
regards