TRY THESE LINKS TO DOWNLOAD Important JEE BOOKs which will be very useful to get top rank in admission entrance test & become the topper..

http://songsmafia.blogspot.com/2009/04/download-free-ebooks-pdf-for-iitjee.html

http://www.freshwap.net/989/dl/free+arihant+books+of+chemistry+for+iit+download

http://www.4shared.com/file/54198885/580d1e06/My_Arihant_Book.html

http://www.torrentdownloads.net/searches/Arihant+Books+Fot+Iit+Jee+Of+Organic+Chemistry+Free+Download

http://www.humsurfer.com/download-science-and-math-books-free-ideal-for-iit-jee

http://preps.youmarks.com/forum/viewtopic.php?f=26&p=263


http://www.clickindia.com/search.php?q=free+books+for+preparations+of+IIT-JEE

http://www.clickindia.com/search.php?q=free+books+for+preparations+of+IIT-JEE

http://www.teleread.com/uncategorized/free-physics-books/

http://rapiddigger.com/iit-jee-books-free-download/

I myself checked all links...in the case if any link is broken i will replace later..

Some Other Links to Download JEE Entrance Books:

JEE Expert Rated NCERT Subject Books

Download BITSAT Papers

Free to Download JEE Books 

BITSAT Preparation Material