which books should i prefer for jee advance 2015 ? At present i m using o p agrawal (disha publications ) for organic chemistry and dc gupta for physics and rd sharma for maths. If any other good book would be suitable then tell me.

Reference Books for Engineering Entrance Exam

Chemistry
Ø NCERT Chemistry text books of class XI and class XII (usually sufficient)
Ø Organic Chemistry by Morrison and Boyd (only for understanding concepts)
Ø Arihant Organic Chemistry Objective (Optional)
Ø Organic, Physical and Inorganic Chemistry books by OP Tandon
Ø Physical Chemistry by RC Mukherjee
Mathematics
Ø NCERT class XI and class XII books (all students should start with these early)
Ø For best concepts you can purchase ‘IIT Mathematics’ by ML Khanna
Ø New Pattern IITJEE Mathematics of Arihant Publications by Dr SK Goyal
Ø Books by SL Loney (Good for coordinate Geometry and Trigonometry)
Ø RD Sharma
Ø GN Bernnam – only use it for calculus as other sections are too advanced for JEE
Physics
Ø NCERT Physics for Class XI and XII (good introduction)
Ø Concepts of Physics, Vol.-I & II, by HC Verma
Ø Physics by D.C. Pandey, Arihant Publications
Ø Fundamentals of Physics, by Halliday, Resnik and Walker (Optional)