free ebooks for AICAT and PMRDF main paper preparation

I have found links to some free e-books required for preparation of AICAT and PMRDF main paper. The below page has some good books like -
India 2011,
RS Aggarwal quantitative reasoning (we need to study only the last, i.e. DI section),
RS Aggarwal verbal reasoning,
etc.
book download page

link to good DI book


one thing i want to make clear is that i found links to these books etc. on the internet. i am not the owner of these.
the adf ly pages that open upon clicking serve as a buffer. please click on the "skip ad" button on top right of the adf ly page when it opens up.